1. 8
2. 18
3. 32
4. between 8 and 18
8
1. Periodic table
2. Atomic volume curve
3. Law of octaves
4. All of the these
Periodic table
1. K,K+
2. S, O
3. Br, Br
4. N, O
Br, Br
1. 6
2. 8
3. 14
4. 18
6
1. Li, Na and K
2. Cl, Br and I
3. Ca, Sr and Ba
4. All of the these
All of the these
1. Increases
2. Decreases
3. first increases, then decreases
4. First decreases, than increases
Increases
1. s > p > d > f
2. p > d > s > f
3. f > d > p > s
4. d > f > s > p
s > p > d > f
1. I ,II
2. IV, II
3. II, III
4. III, IV
IV, II
1. F-
2. Ar
3. CI-
4. Rb+
F-
1. F→ F-
2. O-→O2-
3. cl→ cl-
4. H→H-
O-→O2-