14) i heart electron config
1) instructions: using the one filled box as a clue, fill in the rest of the boxes:
circle the valence electrons in the basic electron configuration
| | # e⁻ | basic configuration
expanded configuration | box diagram | dot dgm |
| h | | | | |
| | 3 | | | |
| | | 2 - 7 | | |
| ne | | | | |
| | 11 | | | |
| | | $1s^2 2s^2 2p^6 3s^2 3p^3$ | | |
| cl | | | | |
| | 20 | | | |
| | | $1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^2$ | | |
2) how many valence electrons do the noble gases (ne, ar, kr, etc.) have?
3) how many valence electrons do the elements in group 1 (li, na, k, etc.) have?

Question

14) i heart electron config
1) instructions: using the one filled box as a clue, fill in the rest of the boxes:
circle the valence electrons in the basic electron configuration
| | # e⁻ | basic configuration
expanded configuration | box diagram | dot dgm |
| h |  |  |  |  |
|  | 3 |  |  |  |
|  |  | 2 - 7 |  |  |
| ne |  |  |  |  |
|  | 11 |  |  |  |
|  |  | $1s^2 2s^2 2p^6 3s^2 3p^3$ |  |  |
| cl |  |  |  |  |
|  | 20 |  |  |  |
|  |  | $1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^2$ |  |  |
2) how many valence electrons do the noble gases (ne, ar, kr, etc.) have?
3) how many valence electrons do the elements in group 1 (li, na, k, etc.) have?

Accepted Answer

### Part 1: Filling the Table (Example with Hydrogen, Lithium, Fluorine, Neon, Sodium, Phosphorus, Chlorine, Calcium, Germanium)

#### H (Hydrogen)
## Step 1: Determine # of electrons
Hydrogen has 1 electron (atomic number 1).
## Step 2: Basic Configuration
Basic: $ 1s^1 $
Expanded: $ 1s^1 $
## Step 3: Box Diagram
1s: $\uparrow$
## Step 4: Dot Diagram
1 valence electron: $\cdot$ H

#### Element with 3 electrons (Lithium, Li)
## Step 1: Identify Element
Atomic number 3 is Li.
## Step 2: Basic Configuration
Basic: $ [He] 2s^1 $
Expanded: $ 1s^2 2s^1 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow$
## Step 4: Dot Diagram
1 valence electron: $\cdot$ Li

#### Element with 2 - 7 (Fluorine, F)
## Step 1: Total Electrons
2 + 7 = 9 electrons (atomic number 9 is F).
## Step 2: Basic Configuration
Basic: $ [He] 2s^2 2p^5 $
Expanded: $ 1s^2 2s^2 2p^5 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow$
## Step 4: Dot Diagram
7 valence electrons: $\cdot\cdot\cdot$ $\cdot\cdot\cdot$ F (7 dots)

#### Ne (Neon)
## Step 1: # of electrons
Atomic number 10, so 10 electrons.
## Step 2: Basic Configuration
Basic: $ [He] 2s^2 2p^6 $
Expanded: $ 1s^2 2s^2 2p^6 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$
## Step 4: Dot Diagram
8 valence electrons: $\cdot\cdot\cdot$ $\cdot\cdot\cdot$ Ne (8 dots)

#### Element with 11 electrons (Sodium, Na)
## Step 1: Identify Element
Atomic number 11 is Na.
## Step 2: Basic Configuration
Basic: $ [Ne] 3s^1 $
Expanded: $ 1s^2 2s^2 2p^6 3s^1 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 3s: $\uparrow$
## Step 4: Dot Diagram
1 valence electron: $\cdot$ Na

#### Element with $ 1s^2 2s^2 2p^6 3s^2 3p^3 $ (Phosphorus, P)
## Step 1: Count Electrons
$ 2 + 2 + 6 + 2 + 3 = 15 $ electrons (atomic number 15 is P).
## Step 2: Basic Configuration
Basic: $ [Ne] 3s^2 3p^3 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 3s: $\uparrow\downarrow$; 3p: $\uparrow$, $\uparrow$, $\uparrow$
## Step 4: Dot Diagram
5 valence electrons: $\cdot\cdot\cdot$ $\cdot\cdot$ P (5 dots)

#### Cl (Chlorine)
## Step 1: # of electrons
Atomic number 17, so 17 electrons.
## Step 2: Basic Configuration
Basic: $ [Ne] 3s^2 3p^5 $
Expanded: $ 1s^2 2s^2 2p^6 3s^2 3p^5 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 3s: $\uparrow\downarrow$; 3p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow$
## Step 4: Dot Diagram
7 valence electrons: $\cdot\cdot\cdot$ $\cdot\cdot\cdot$ Cl (7 dots)

#### Element with 20 electrons (Calcium, Ca)
## Step 1: Identify Element
Atomic number 20 is Ca.
## Step 2: Basic Configuration
Basic: $ [Ar] 4s^2 $
Expanded: $ 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 3s: $\uparrow\downarrow$; 3p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 4s: $\uparrow\downarrow$
## Step 4: Dot Diagram
2 valence electrons: $\cdot\cdot$ Ca

#### Element with $ 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^2 $ (Germanium, Ge)
## Step 1: Count Electrons
$ 2 + 2 + 6 + 2 + 6 + 10 + 2 + 2 = 32 $? Wait, no: $ 2 (1s) + 2 (2s) + 6 (2p) + 2 (3s) + 6 (3p) + 10 (3d) + 2 (4s) + 2 (4p) = 32 $? No, atomic number 32 is Ge. Wait, $ 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^2 $ has $ 2 + 2 + 6 + 2 + 6 + 10 + 2 + 2 = 32 $ electrons? No, 2+2=4, +6=10, +2=12, +6=18, +10=28, +2=30, +2=32. Yes, Ge (atomic number 32).
## Step 2: Basic Configuration
Basic: $ [Ar] 3d^{10} 4s^2 4p^2 $
## Step 3: Box Diagram
1s: $\uparrow\downarrow$; 2s: $\uparrow\downarrow$; 2p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 3s: $\uparrow\downarrow$; 3p: $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow\downarrow$; 3d: $\uparrow\downarrow$ (5 orbitals, each $\uparrow\downarrow$); 4s: $\uparrow\downarrow$; 4p: $\uparrow$, $\uparrow$, (empty)
## Step 4: Dot Diagram
4 valence electrons: $\cdot\cdot\cdot$ $\cdot$ Ge (4 dots)

### Part 2: How many valence electrons do noble gases (Ne, Ar, Kr, etc.) have?
## Step 1: Recall Noble Gas Configurations
Noble gases have full valence shells. For Ne: $ 2s^2 2p^6 $ (8 valence electrons). Ar: $ 3s^2 3p^6 $ (8). Kr: $ 4s^2 4p^6 $ (8). Except He, which has 2, but most noble gases (Ne, Ar, Kr, Xe, Rn) have 8 valence electrons.
# Answer: 8 (except He, which has 2)

### Part 3: How many valence electrons do Group 1 elements (Li, Na, K, etc.) have?
## Step 1: Recall Group 1 Configurations
Group 1 elements have one valence electron (e.g., Li: $ 2s^1 $, Na: $ 3s^1 $, K: $ 4s^1 $).
# Answer: 1

### Final Answers (Summarized)
1. Table filled as above (example rows):
   - H: 1 e⁻, Basic: $ 1s^1 $, Expanded: $ 1s^1 $, Box: 1s $\uparrow$, Dot: $\cdot$ H
   - Li (3 e⁻): Basic: $ [He] 2s^1 $, Expanded: $ 1s^2 2s^1 $, Box: 1s $\uparrow\downarrow$, 2s $\uparrow$, Dot: $\cdot$ Li
   - F (9 e⁻): Basic: $ [He] 2s^2 2p^5 $, Expanded: $ 1s^2 2s^2 2p^5 $, Box: 1s $\uparrow\downarrow$, 2s $\uparrow\downarrow$, 2p $\uparrow\downarrow$, $\uparrow\downarrow$, $\uparrow$, Dot: 7 dots
   - Ne: 10 e⁻, Basic: $ [He] 2s^2 2p^6 $, Expanded: $ 1s^2 2s^2 2p^6 $, Box: 1s $\uparrow\downarrow$, 2s $\uparrow\downarrow$, 2p $\uparrow\downarrow$ (all), Dot: 8 dots
   - Na (11 e⁻): Basic: $ [Ne] 3s^1 $, Expanded: $ 1s^2 2s^2 2p^6 3s^1 $, Box: 3s $\uparrow$, Dot: $\cdot$ Na
   - P (15 e⁻): Basic: $ [Ne] 3s^2 3p^3 $, Expanded: $ 1s^2 2s^2 2p^6 3s^2 3p^3 $, Box: 3p with 3 $\uparrow$, Dot: 5 dots
   - Cl: 17 e⁻, Basic: $ [Ne] 3s^2 3p^5 $, Expanded: $ 1s^2 2s^2 2p^6 3s^2 3p^5 $, Box: 3p with 5 electrons, Dot: 7 dots
   - Ca (20 e⁻): Basic: $ [Ar] 4s^2 $, Expanded: $ 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 $, Box: 4s $\uparrow\downarrow$, Dot: 2 dots
   - Ge (32 e⁻): Basic: $ [Ar] 3d^{10} 4s^2 4p^2 $, Expanded: $ 1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^2 $, Box: 4p with 2 $\uparrow$, Dot: 4 dots

2. Noble gases (except He): $\boldsymbol{8}$ valence electrons.

3. Group 1 elements: $\boldsymbol{1}$ valence electron.

h
	3
		2 - 7
ne
	11
		$1s^2 2s^2 2p^6 3s^2 3p^3$
cl
	20
		$1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2 4p^2$

QUESTION IMAGE

Question

Explanation:

Part 1: Filling the Table (Example with Hydrogen, Lithium, Fluorine, Neon, Sodium, Phosphorus, Chlorine, Calcium, Germanium)

H (Hydrogen)

Step 1: Determine # of electrons

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Element with 3 electrons (Lithium, Li)

Step 1: Identify Element

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Element with 2 - 7 (Fluorine, F)

Step 1: Total Electrons

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Ne (Neon)

Step 1: # of electrons

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Element with 11 electrons (Sodium, Na)

Step 1: Identify Element

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Element with \( 1s^2 2s^2 2p^6 3s^2 3p^3 \) (Phosphorus, P)

Step 1: Count Electrons

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Cl (Chlorine)

Step 1: # of electrons

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Element with 20 electrons (Calcium, Ca)

Step 1: Identify Element

Step 2: Basic Configuration

Step 3: Box Diagram

Step 4: Dot Diagram

Element with \( 1s^2 2s^2…

Answer:

Part 3: How many valence electrons do Group 1 elements (Li, Na, K, etc.) have?

Step 1: Recall Group 1 Configurations