prepwork part 1 ionic compound practice
1. for each pair of elements below, draw the lewis dot diagram to represent the
ionic compound they would form, write the formula, and then the name.
element pair | lewis dot diagram of ionic compound | formula
| | name
**lithium & fluorine | |
| |
| formula
**calcium & nitrogen | |
| | name
sodium & nitrogen | | formula
| | name
*magnesium & phosphorus | | formula
| | name
**aluminum & chlorine | | formula
| | name

Question

Accepted Answer

# Explanation:
## Step1: Analyze Lithium and Fluorine
Lithium (Li) has 1 valence electron, fluorine (F) has 7 valence electrons. Li loses 1 electron to form $Li^+$, F gains 1 electron to form $F^-$. The Lewis dot diagram shows $Li^+$ with no valence electrons and $F^-$ with 8 (dots around F). The formula is $LiF$ (1:1 ratio as charges are +1 and -1). Name: Lithium Fluoride.
## Step2: Analyze Calcium and Nitrogen
Calcium (Ca) has 2 valence electrons, loses 2 to form $Ca^{2+}$. Nitrogen (N) has 5 valence electrons, gains 3 to form $N^{3-}$. To balance charges, we need 3 $Ca^{2+}$ and 2 $N^{3-}$ (3*2 = 2*3 = 6). Formula: $Ca_3N_2$. Name: Calcium Nitride.
## Step3: Analyze Sodium and Nitrogen
Sodium (Na) has 1 valence electron, loses 1 to form $Na^+$. Nitrogen (N) gains 3 to form $N^{3-}$. Balance charges: 3 $Na^+$ and 1 $N^{3-}$ (3*1 = 1*3 = 3). Formula: $Na_3N$. Name: Sodium Nitride.
## Step4: Analyze Magnesium and Phosphorus
Magnesium (Mg) has 2 valence electrons, loses 2 to form $Mg^{2+}$. Phosphorus (P) has 5 valence electrons, gains 3 to form $P^{3-}$. Balance charges: 3 $Mg^{2+}$ and 2 $P^{3-}$ (3*2 = 2*3 = 6). Formula: $Mg_3P_2$. Name: Magnesium Phosphide.
## Step5: Analyze Aluminum and Chlorine
Aluminum (Al) has 3 valence electrons, loses 3 to form $Al^{3+}$. Chlorine (Cl) has 7 valence electrons, gains 1 to form $Cl^-$. Balance charges: 1 $Al^{3+}$ and 3 $Cl^-$ (3*1 = 1*3 = 3). Formula: $AlCl_3$. Name: Aluminum Chloride.
# Answer:
| Element Pair       | Lewis Dot Diagram of Ionic Compound                                                                 | Formula   | Name           |
|---------------------|------------------------------------------------------------------------------------------------------|-----------|----------------|
| Lithium & Fluorine  | $Li^+$ (no dots) and $F^-$ (8 dots around F)                                                      | $LiF$   | Lithium Fluoride |
| Calcium & Nitrogen  | $Ca^{2+}$ (no dots) and $N^{3-}$ (8 dots around N), 3 $Ca^{2+}$ and 2 $N^{3-}$ for formula   | $Ca_3N_2$ | Calcium Nitride |
| Sodium & Nitrogen   | $Na^+$ (no dots) and $N^{3-}$ (8 dots around N), 3 $Na^+$ and 1 $N^{3-}$ for formula         | $Na_3N$  | Sodium Nitride  |
| Magnesium & Phosphorus | $Mg^{2+}$ (no dots) and $P^{3-}$ (8 dots around P), 3 $Mg^{2+}$ and 2 $P^{3-}$ for formula | $Mg_3P_2$ | Magnesium Phosphide |
| Aluminum & Chlorine | $Al^{3+}$ (no dots) and $Cl^-$ (8 dots around Cl), 1 $Al^{3+}$ and 3 $Cl^-$ for formula     | $AlCl_3$  | Aluminum Chloride |

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QUESTION IMAGE

Question

Explanation:

Step1: Analyze Lithium and Fluorine

Step2: Analyze Calcium and Nitrogen

Step3: Analyze Sodium and Nitrogen

Step4: Analyze Magnesium and Phosphorus

Step5: Analyze Aluminum and Chlorine

Answer:

Element Pair	Lewis Dot Diagram of Ionic Compound	Formula	Name
Calcium & Nitrogen	\(Ca^{2+}\) (no dots) and \(N^{3-}\) (8 dots around N), 3 \(Ca^{2+}\) and 2 \(N^{3-}\) for formula	\(Ca_3N_2\)	Calcium Nitride
Sodium & Nitrogen	\(Na^+\) (no dots) and \(N^{3-}\) (8 dots around N), 3 \(Na^+\) and 1 \(N^{3-}\) for formula	\(Na_3N\)	Sodium Nitride
Magnesium & Phosphorus	\(Mg^{2+}\) (no dots) and \(P^{3-}\) (8 dots around P), 3 \(Mg^{2+}\) and 2 \(P^{3-}\) for formula	\(Mg_3P_2\)	Magnesium Phosphide
Aluminum & Chlorine	\(Al^{3+}\) (no dots) and \(Cl^-\) (8 dots around Cl), 1 \(Al^{3+}\) and 3 \(Cl^-\) for formula	\(AlCl_3\)	Aluminum Chloride