A chemical symbol represents the?
Elements present in the compound
Number of atoms of each element
Abbreviated name of an element
Abbreviated name of a compound
Symbol of gold?
Ag
Hg
Au
Go
A substance that consists of two or more different elements or compounds physically mixed together is known as?
Compound
Molecule
Mixture
Matter
Elements present in water are?
Hydrogen
Oxygen
Both Hydrogen and Oxygen
Only Hydrogen
Valency of Oxygen in water molecule is?
2
3
1
4
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
H2O
Symbol of Calcium is represents?
CA
Ca
C
Cal
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
Give an example for an element?
Oxygen Molecule
Oxygen atom
Oxygen ion
Oxygen particle