engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test General Science Chemistry Basic Concepts of Chemistry
With reference to the molecule of a compound, how a molecule of the compound is obtained?
1
When two or more atoms of same or different elements combine
2
When two or more atoms combine
3
Anything which has mass and occupies space may obtain a molecule of the compound.
4
When only one atom attracts mass