chemical formula

What are the group number(s) where they lose electrons?

Group 1-3 & 13

What are the group number(s) where they gain electrons?

Group 15-17

What is the chemical formula for nitrate?

NO₃⁻

What is the chemical formula for hydroxide?

OH⁻

What is the chemical formula for carbonate?

CO₃²⁻

What is the chemical formula for sulfate?

SO₄²⁻

What is the chemical formula for ammonium?

NH₄⁺

What is the chemical formula for zinc?

Zn²⁺

What is the chemical formula for sliver?

Ag⁺

Do the metallic elements come first when writing Ionic compound formula?

yes.

When do we simplify the chemical formula?

when the charge is the same number
e.g. Ca²⁺O²⁻ = CaO

Do we need to bracket the polyatomic ions?

yes!

When do we not need to bracket the polyatomic ions?

when the charge is 1.
e.g. NH₄Cl

What is the name of the prefix for number 1

mono

What is the name of the prefix for number 2

Di

What is the name of the prefix for number 3

Tri

What is the name of the prefix for number 4

Tetra

What is the chemical formula for these common covalent compound?
1. Water
2. Methane

3.Ammonia gas

1. H₂O

2. CH₄

3. NH₃

What is the chemical formula for these common acid?

1. Hydrochloric

2. Nitric

3. Sulfuric

1. HCl

2. HNO₃

3. H₂SO₄

What is the chemical formula for these common elements?

1. Fluorine

2. Chlorine

3. Bromine

4. Iodine

5. Oxygen

6. Hydrogen

7. Nitrogen

1. F₂

2. Cl₂

3. Br₂

4. I₂

5. O₂

6. H₂

7. N₂