Question

show what you know: name that element! directions: use the article
ame that element!\ and the periodic table to answer the questions below. 1. which element has the highest atomic number? (a) francium (fr) (b) polonium (po) (c) radium (ra) (d) zinc (zn) 2. which element has an atomic mass of 50.94? (a) antimony (sb) (b) boron (b) (c) cadmium (cd) (d) vanadium (v) 3. how many protons does iron (fe) have in its nucleus? (a) 5 (b) 8 (c) 26 (d) 55.85 4. which of the following elements is found in the same group on the periodic table as carbon (c)? (a) gold (au) (b) nitrogen (n) (c) sulfur (s) (d) tin (sn) 5. which element is a liquid at room temperature? (a) arsenic (as) (b) bromine (br) (c) lithium (li) (d) potassium (k)

Explanation:

1. By referring to the periodic - table, francium has a higher atomic number than the other given elements.
2. Vanadium has an atomic mass of approximately 50.947.
3. The atomic number of iron is 26, and the number of protons in an atom is equal to its atomic number.
4. Carbon and tin are in the same group (Group 14) of the periodic table.
5. Bromine is a liquid at room temperature among the given elements.

Answer:

1. A. francium (Fr)
2. D. vanadium (V)
3. C. 26
4. D. tin (Sn)
5. B. bromine (Br)