Science Quiz 32

I. Ionisation potential gradually decreases along a period. 
II. In a group of elements, electron affinity decreases as the atomic weight increases.
III. In a given period, electronegativity decreases as the atomic number increases. 

Which of these statement(s) is/are correct?

List I 

1. German Silver
2. Solder

III. Bleaching Powder

1. Hypo

List II

1. A) Tin
2. B) Nickel
3. C) Sodium
4. D) Chlorine