chemistry 1
ionic nomenclature
1 complete the table following the example.
name symbol group # # valence electrons ion symbol cation or anion?
sodium na 1 1 na⁺¹ cation
magnesium
ca
nitrogen
fluorine
aluminum

2. name each binary ionic compound.
a. alcl₃ ______.
b. mgs ______
c. aln ______
d. na₂s ______
e. caf₂ ______

3. complete the table following the example.
cation anion name chemical formula (use the criss - cross method)
li⁺¹ o⁻²
k⁺¹ f⁻¹
mg⁺² cl⁻¹
al⁺³ n⁻³
al⁺³ s⁻²
ni⁺² cl⁻¹
fe⁺³ o⁻²

Question

chemistry 1
ionic nomenclature
1 complete the table following the example.
name	symbol	group #	# valence electrons	ion symbol	cation or anion?
sodium	na	1	1	na⁺¹	cation
magnesium					
	ca				
nitrogen					
fluorine					
aluminum

2. name each binary ionic compound.
a. alcl₃ ______.
b. mgs ______
c. aln ______
d. na₂s ______
e. caf₂ ______

3. complete the table following the example.
cation	anion	name	chemical formula (use the criss - cross method)
li⁺¹	o⁻²		
k⁺¹	f⁻¹		
mg⁺²	cl⁻¹		
al⁺³	n⁻³		
al⁺³	s⁻²		
ni⁺²	cl⁻¹		
fe⁺³	o⁻²

Accepted Answer

### 1. Completed Table (Ion Properties)
| Name       | Symbol | Group # | # valence electrons | Ion symbol | Cation or anion? |
|------------|--------|---------|---------------------|------------|------------------|
| Sodium     | Na     | 1       | 1                   | $	ext{Na}^{+1}$ | cation |
| Magnesium  | Mg     | 2       | 2                   | $	ext{Mg}^{+2}$ | cation |
| Calcium    | Ca     | 2       | 2                   | $	ext{Ca}^{+2}$ | cation |
| Nitrogen   | N      | 15      | 5                   | $	ext{N}^{-3}$ | anion |
| Fluorine   | F      | 17      | 7                   | $	ext{F}^{-1}$ | anion |
| Sulfur     | S      | 16      | 6                   | $	ext{S}^{-2}$ | anion |
| Aluminum   | Al     | 13      | 3                   | $	ext{Al}^{+3}$ | cation |

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### 2. Names of Binary Ionic Compounds
# Brief Explanations:
Binary ionic compounds are named by stating the cation (element name) first, then the anion (element root + "-ide"). For fixed-charge metals, no Roman numerals are needed.
# Answer:
a. Aluminum chloride
b. Magnesium sulfide
c. Aluminum nitride
d. Sodium sulfide
e. Calcium fluoride

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### 3. Completed Table (Ionic Compound Formulas & Names)
# Explanation:
## Step1: Apply criss-cross method
Swap ion charges as subscripts, simplify if possible.
## Step2: Name the compound
Cation name first, anion root + "-ide".
# Answer:
| Cation   | Anion   | Name                  | Chemical Formula |
|----------|---------|-----------------------|------------------|
| $	ext{Li}^{+1}$ | $	ext{O}^{-2}$ | Lithium oxide | $	ext{Li}_2	ext{O}$ |
| $	ext{K}^{+1}$ | $	ext{F}^{-1}$ | Potassium fluoride | $	ext{KF}$ |
| $	ext{Mg}^{+2}$ | $	ext{Cl}^{-1}$ | Magnesium chloride | $	ext{MgCl}_2$ |
| $	ext{Al}^{+3}$ | $	ext{N}^{-3}$ | Aluminum nitride | $	ext{AlN}$ |
| $	ext{Al}^{+3}$ | $	ext{S}^{-2}$ | Aluminum sulfide | $	ext{Al}_2	ext{S}_3$ |
| $	ext{Ni}^{+2}$ | $	ext{Cl}^{-1}$ | Nickel(II) chloride | $	ext{NiCl}_2$ |
| $	ext{Fe}^{+3}$ | $	ext{O}^{-2}$ | Iron(III) oxide | $	ext{Fe}_2	ext{O}_3$ |

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Question

Explanation:

1. Completed Table (Ion Properties)

2. Names of Binary Ionic Compounds

Step1: Apply criss-cross method

Step2: Name the compound

Answer:

3. Completed Table (Ionic Compound Formulas & Names)

Name	Symbol	Group #	# valence electrons	Ion symbol	Cation or anion?
Magnesium	Mg	2	2	$\text{Mg}^{+2}$	cation
Calcium	Ca	2	2	$\text{Ca}^{+2}$	cation
Nitrogen	N	15	5	$\text{N}^{-3}$	anion
Fluorine	F	17	7	$\text{F}^{-1}$	anion
Sulfur	S	16	6	$\text{S}^{-2}$	anion
Aluminum	Al	13	3	$\text{Al}^{+3}$	cation