Question

25) On moving from left to right in a periodic table, the size of the atom…….

a) increases b) decreases

c) decreases first and then increases d) does not change​

Answer 1

Answer:

The size of the atom decreases on moving from left to right in a period of the periodic table. With an increment in the atomic number, both the proton number and the nuclear positive charge increase. As the nucleus attracts the outermost electron, the size of the atom decreases.

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Answer 2

Answer:

the size of the atom decrease