On moving from left to right in a period in the periodic table, the size of the atom.
(a) increases
(b) decreases
(c) does not change appreciably
(d) first decreases and then increases

NCERT Class X
Science - Exemplar Problems

Chapter_Periodic Classification of Elements

2

Answers

2015-05-29T15:58:12+05:30
On moving from left to right in a periodic table , the size of atom decreases . So , option (b) is correct .
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2015-05-29T15:58:37+05:30
Option (b) decreases is correct.
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