The atomicity of Na is 1. What does it mean?
Both B and C
It has one atom each in its molecules
It can combine with the element having valency 1
It has one electron in its first shell
Atomicity of an element is defined as the number of atoms present in one molecule of an element. Hence option B is correct.
The atomicity of oxygen is 2. What does it mean?
If I dissolve an acid to water it gives me h ions eg. NaCl give Na+cl- ions my teacher said NaCl breaks into h and cl ions what does it mean this compound breaks into na and cl ions how they exist they are already in ionic compound so what does it mean