Electronic configuration of Neon is
2
2, 8
2, 8, 8
2, 8, 18
The electronic distribution of nitrogen atom is 2,5. To attain stability, how many electrons does nitrogen need?
1
5
7
3
In the formation of sodium chloride which atom donates the electron?
Na, 1
Na, 7
Cl, 1
Cl, 7
How many electrons are there in the outermost shell of an oxygen atom?
4
6
8
Which loses electrons in a chemical reaction ?
Non-metals
Inert gases
Metals
Halogens
Which one is a non polar molecule?
HF
H2O
NH3
CH4
In CCl4, how many covalent bond does Carbon form?
How many electron pairs are shared in the formation of oxygen molecule?
In the following chemical reaction which is the oxidizing agent?
Zn + 2HCl → ZnCl2 + H2
Zn
HCl
ZnCl2
H2