Need help with chemistry homework please don’t understand at all

Answer:
The answer to your question is below
Explanation:
2.-
a.- Manganese
Mn⁰ ----------------- Mn ⁺² - 2e⁻ cation
b.- Bromine
Br ⁰ ----------------- Br⁻¹ + 1e⁻ anion
c.- Vanadium
V⁰ ----------------- V⁺³ - 3e⁻ cation
d.- Selenium
Se⁰ ------------------- Se⁻² + 2e⁻ anion
3.-
a.- S⁻² Protons = 16 Electrons = 18
b.- Zn⁺² Protons = 30 Electrons = 28
c.- F⁻ Protons = 9 Electrons = 10
d.- Fe⁺³ Protons = 26 Electrons = 23
4.-
a.- MnO
b.- BI₃
c.- Rb₃N
d.- Ca₃P₂
e.- Ga₂S₃
f.- Li₂Te