Chemistry

Is Hydride Negatively Or Positively Powered ?

• Cation

• Anion

Symbol Of Oxide

• O^2-

• O²⁺

What Is The name of non-metallic Element whose symbol is H+

• Helium

• Hydrogen

• Hydroid

• Hydroxide

Valency of Magnesium

• 2

• 3

Symbol of Phospate

• PO₄^3-

• PO₄³

Symbol of Iron III

• Fe³⁺

• Fe^3-

The name of the non metallic element whose symbol is N^3-

• Nitride

• Nitrate

A Roman numeral shows ____________________ in Bracket

• Valency

• No of atoms