Symbol of Mercury?
Ag
Me
Hg
Au
Give an example for mono atomic molecule?
H2O
O2
N2O3
NH3
Write the chemical formula of common salt is?
NaCl
CaCl2
HCL
Symbol of gold?
Go
An element is a substance?
With only one kind of atom
Which can be broken down into simpler substance
With two or more elements
Building block of a substance
Which is known as the building block of a matter?
Particle
Electron
Proton
Atom
A combination of symbols that represents the elements present in a compound is known as?
Atomicity
Valency
Chemical formula
Chemical symbols
Hydrogen radical is represented by the formula?
H2
H
OH
Write the atomic molecule from below?
Na2O3
Atom or groups of atoms that carry positive or negative charges are known as?
Radicals
Molecule
Irons
