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Metals and Non-metals

Question 1 of 10

Cesium is the most reactive alkali metal because

  1. its incomplete shell is nearest to the nucleus
  2. it has a single electron in its valence shell
  3. it is the heaviest alkali metal
  4. its outermost electron is more loosely bound than the outermost electron of the other alkali metals

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000