state gov UPPSC APS Mock Test 2023 General Science Chemistry Classification of Elements and Periodicity in Properties
Which of the following statements is correct?
1
Atomic radius increases across a period and decreases down a group in the periodic table.
2
Atomic radius decreases across a period and increases down a group in the periodic table.
3
Atomic radius decreases across a period and down a group in the periodic table.
4
Atomic radius increases across a period and increases down a group in the periodic table.