化学
化学反応、化学量論、分子構造、元素の性質。
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classify the following as element, compound, solution, or heterogeneous…
1. Element, compuesto, solución 2. Element 3. Heterogeneous mixture 4. Compound 5. Solution, heterogeneous mixture 6. Element, compound 7. Compound
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chapter 3 - the basic ingredients of life test your knowledge 1. the mo…
Atom
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when two elements bond and form a compound, what happens to their elect…
They share or give away their electrons.
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how do you break apart a compound? chemical bonds must be broken. water…
Chemical bonds must be broken.
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how many oxygen atoms (o) are in a water molecule? hint: in the model, …
1
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which of these is the atomic symbol of carbon? c 6 12.011
C
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which of the following is measured in the unit amu? atomic number atomi…
atomic mass
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which element has an atomic number of 12? sodium calcium magnesium
Magnesium
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which element has 11 protons in its nucleus? magnesium calcium sodium
D. Sodium
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what do we call the area of an atom where electrons are located? electr…
Electron cloud
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how many electrons are in an uncharged atom? more than the number of pr…
the same as the number of protons
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what is the very smallest piece of copper possible? a copper nugget a c…
a copper atom
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what type of atom makes up the element bromine (br)? bromine atoms gall…
Bromine atoms
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which element shares similar properties with zinc (zn)? tin (sn) mercur…
B. Mercury (Hg)
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which element shares similar properties to chlorine (cl)? arsenic (as) …
C. Fluorine (F)
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using the four steps to critique artwork. 1. describe the artwork. 2. a…
How did the artist use vanishing point(s) and orthogonal lines?
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quick questions: chapter 6 1. list 3 elements in each family: alkali me…
1. Lithium (Li), Sodium (Na), Potassium (K); Beryllium (Be), Magnesium (Mg), Calcium (Ca); Fluorine (F), Chlorine (Cl), Bromine (Br); Helium (He), Neon (Ne), Argon (Ar) 2. A model…
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facebook 31. who founded facebook? 32. what university did he attend? 3…
31. Mark Zuckerberg 32. Harvard University 33. 2004 34. Menlo - Park, California 35. Advertising 36. Billions (varies over time) 37. Peter Thiel 38. Likely Mark Zuckerberg or a te…
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use the list to answer the question. which two elements in the list wou…
Potassium and iodine
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student exploration: water pollution vocabulary: bacterial pollution, n…
1. Bleach, drain - cleaners, pesticides. 2. Industrial waste discharge, oil spills, agricultural runoff, sewage overflows. 3. The introduction of harmful and often poisonous subst…
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when moving across a period from left to right in the periodic table (e…
Valence electrons increase by one.
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based on the naming rules for ions, which of the following is a negativ…
chloride
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read the text. when a person ingests caffeine, whether in the form of a…
sequential
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what is verbal irony? * a) when the audience knows something the charac…
For "What is verbal irony?": C) When a character says one thing but means another For "What is rhetoric?": A. The art of effective or persuasive speaking or writing
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what is situational irony? * 1 point a) when the audience knows somethi…
For "What is situational irony?": B. When there is a contrast between what the reader expects and what actually happens For "What is dramatic irony?": A. When the reader knows som…
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match the columns: connect the effects of soil pollution in column a wi…
Loss of soil fertility - Poor crop yield Radioactive Contamination - Causes Cancer Leaching of chemicals - Water pollution
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what does a rhyme scheme describe? * a) the number of lines in a poem b…
1. B) The pattern of rhymes at the end of each line 2. B) A literary device used to show contrast between appearance and reality
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what color change do we see when nitric acid is added to different litm…
B. red → red, C. blue → red
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one atomic mass unit is approximately equal to the _______. a mass of a…
a. mass of a proton
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a carbon atom has six protons and six neutrons. what is its atomic numb…
A. 6
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the mass number for an atom is numerically equal to which quantity? a t…
B. the number of protons plus the number of neutrons
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what is the mass number of a carbon isotope that has seven neutrons? a …
A. 13
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in a neutral atom, which atomic particles are equal in number? a electr…
C. protons and electrons
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what represents the total number of protons and neutrons in an atom? en…
Mass - number
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review the text. does your shampoo leave your hair dry or damaged? flat…
The author urges readers to try Organi - Goo today.
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atoms with the same number of protons but different numbers of neutrons…
Isotopes
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read the text. does your shampoo leave your hair dry or damaged? flat a…
to persuade readers to buy Organi - Goo
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the number of protons plus neutrons in an atom is its number. enter the…
mass
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what is the mass number of a carbon isotope that has seven neutrons? ca…
B. 13
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what is the mass number of a carbon atom which has six protons and six …
d. 12
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unit 2 study guide: surface processes on earth 1. what role does water …
1. Water participates in chemical reactions like dissolution, oxidation, and carbonation. 2. Seeps in, dissolves minerals and causes expansion - contraction. 3. Erosion creating v…
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question 5 (1 point) when cobalt (ii) cation combines with chloride ani…
C. 2
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question 4 (1 point) what is the name of the polyatomic ion with the fo…
C. sulfite
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question 3 (1 point) using the solubility table on your handout, determ…
D. AgCl
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read the passage. the stinky durian fruit the durian is an asian fruit …
Scientists analyzed a sample taken from Thai durians to find out why the fruit has such a powerful odor.
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question 2 (1 point) two solutions are mixed in a test tube and bubbles…
A. one of the products is a gas
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myp chemistry unit 1 rehearse 1. use the following data to select two t…
6. d. $1.2\times 10^{24}$ atoms 7. c. mole 8. a. 0.0051 moles 9. c. $1.4\times 10^{24}$ atoms 10. a. iii. Amount of water b. iii. Amount of fertilizer
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what is science? * a way to create new religions any organized study of…
1. B. Any organized study of the natural world 2. B. By using reason and common sense
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types of elements what letter would be a likely place for mystery eleme…
D
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activity b: band of stability get the gizmo ready: • on the graph, make…
1. A. Stable B. Stable C. Radioactive D. Approximately 5730 years 2. A. Yes B. For light elements like hydrogen (1 proton, 1 neutron - deuterium), helium (2 protons, 2 neutrons), …
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station 2 types of elements what letter would be a likely place for mys…
B
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station 2 types of elements what letter would be a likely place for mys…
B
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types of elements what letter would be a likely place for mystery eleme…
B
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2. name each of the following molecular compounds: (a) cf₄ (b) ph₃ (c) …
2. (a) Carbon tetrafluoride (b) Phosphine (c) Tetraphosphorus decoxide (d) Phosphorus trichloride (e) Dinitrogen tetrafluoride (f) Dioxygen difluoride 3. (a) Molecular, diphosphor…
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color theory color: an element of art that is derived from reflected li…
Primary Colors: Red - color the first box red, Blue - color the second box blue, Yellow - color the third box yellow Secondary Colors: Green - color the first box green, Orange - …
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calculate the average atomic mass of carbon if 98.90% of the atoms are …
$12.01$
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question 12 (1 point) why is water able to form hydrogen bonds with oth…
B. Water is polar
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question 8 (1 point) water doesnt water mix with oil? a oil is polar b …
c. Oil is hydrophobic
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question 7 (1 point) which property helps salt dissolve in water? a hig…
b. Universal solvent
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practice: balancing equations #2 show all work on a separate sheet of p…
13. $1Mn + 2HI ightarrow1H_2 + 1MnI_2$ 14. $C_6H_{12}O_6+6O_2 ightarrow6CO_2 + 6H_2O$ 15. $Cu + 2AgNO_3 ightarrow2Ag+Cu(NO_3)_2$
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station 1 understanding the periodic table which of the following lists…
B. C, Al, P, Cl
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use the periodic table to determine which of the following could be an …
For bromine: $Z = 35,A = 79$; $A = 79,N = 44$ For indium: $Z = 49,A = 113$; $N = 64,Z = 49$
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practice: predicting products of chemical reactions use your knowledge …
1. $4Na + O_2 ightarrow2Na_2O$ 2. $Mg + F_2 ightarrow MgF_2$ 3. $2Na+Cl_2 ightarrow2NaCl$ 4. $2Al + 3S ightarrow Al_2S_3$ 5. $3Ca + 2P ightarrow Ca_3P_2$ 6. $2HgO ightarrow2Hg + O…
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9) a) is the following molecule polar or non - polar? explain your answ…
a) Polar. Due to electronegativity difference and non - canceling bond dipoles. b) 1 atom of $Mg$; 2 atoms of $Cl$
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iclicker: predict the sign of δs_system 2n₂o(g) → 2n₂(g) + o₂(g) a) ent…
B. Entropy increases, $\Delta S$ is positive
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1 ccc patterns what patterns did you observe in the development of the …
Patterns include discovery of elements over time and recognition of trends. Timeline is related to scientific advancements enabling element - discovery and table refinement.
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practice: balancing equations #1 show all work on a separate sheet of p…
1. $2H_2+O_2 ightarrow2H_2O$ 2. $H_3PO_4 + 3KOH ightarrow K_3PO_4+3H_2O$ 3. $6K + B_2O_3 ightarrow3K_2O+2B$ 4. $HCl + NaOH ightarrow NaCl+H_2O$ 5. $10Na+2NaNO_3 ightarrow6Na_2O + …
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4 - careers in art history learning objective: identify the careers tha…
b. Art appraiser
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practice: balancing and classifying show all work for balancing on a se…
1. 2, 6, 6, 2; single - replacement 2. 1, 1, 1, 1; double - replacement 3. 1, 6, 4; synthesis 4. 2, 1, 2, 1; single - replacement 5. 1, 2, 2, 1; double - replacement 6. 2, 3, 3, 1…
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question 20 2 points the axiology of chemistry and physics see values a…
B. something to be kept out of research
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cs: alkali metal alkaline earth metal done
alkali metal
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ch of the elements below as an alkali metal or an alkaline earth metal.…
alkaline earth metal
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ca: alkali metal alkaline earth metal done
alkaline earth metal
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use the periodic table to identify each of the elements below as an alk…
alkali metal
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question 7 2 points we rely on mental structures called schemas to ____…
B. organize and interpret information
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marla sometimes stays after school to tutor classmates. if it is tuesda…
B. No conclusion can be drawn. Today could be Thursday and Marla could have arrived home at 4 p.m. due to softball practice.
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sulfate ion so₄²⁻ will have which of the following? (hint: you will hav…
1) Tetrahedral for both electron and molecular geometries
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question 9 (1 point) which of the following will have resonance structu…
1) Molecule with more than one correct Lewis structure
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malik analyzed three samples to test which element was a metalloid. the…
C
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question / (1 point) listen which of the following is influenced by the…
4) All of the above
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which of the following will have a bent molecular geometry (not electro…
4) All of the above
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question 5 (1 point) listen when a metal atom transfers one or more ele…
2) Ionic
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which of the following can form covalent bond with equal sharing of ele…
2) $Cl_2$
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which of the following will have a double bond between c and c, and wil…
2) $C_2H_4$
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the position of metalloids on the periodic table is generally found alo…
The first blank: metals; The second blank: metallic
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use the periodic table to identify each of the elements below as an alk…
alkali metal
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question 4 (1 point) listen which of the following has been stated corr…
3. Br⁻ ion will have the electronic configuration of Ar
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which of the following can form covalent bond with equal sharing of ele…
2) $Cl_2$
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electrons in the ______ energy level are involved in making bonds and c…
highest
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a ball is dropped in a closed system (no air resistance). what happens …
Potential energy changes into kinetic energy, and no energy is lost.
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which of these elements are you least likely to find in nature as a pur…
sodium (Na)
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what happens to a catalyst after a chemical reaction is completed? a. i…
B. It remains unchanged and can be reused.
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what branch of chemistry studies the rates of chemical reactions and th…
C. Chemical Kinetics
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use the periodic table to identify the name or atomic number for each e…
hafnium: 72 phosphorus: 15 rhodium: 45 osmium: 76 magnesium: 12
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what is the role of a catalyst in a chemical reaction? a. it increases …
C. It lowers the activation energy.
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in a chemical reaction, what role does a catalyst play? a. consumes all…
B. Decreases activation energy
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use the periodic table to identify the chemical symbol or name for each…
zirconium: Zr rhenium: Re As: Arsenic K: Potassium tin: Sn yttrium: Y Yb: Ytterbium
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from the list below, choose which groups are part of the periodic table…
metals, nonmetals, semimetals
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cuando una sustancia pura se puede separar es mediante el uso de selecc…
Para sustancia pura: químico Para mezclas: físico
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pregunta 4 2 puntos una mezcla en la que todas las partes se ven idénti…
Primer [Seleccionar]: Mezcla homogénea Segundo [Seleccionar]: Mezcla heterogénea