Atomic radius

a. increases across a period and increases down a group.

b. decreases across a period but increases down a group.

c. increases across a period but decreases down a group.

d. decreases across a period and decreases down a group.

Question

Cotton

Chemistry

10 November, 05:54

Atomic radius

a. increases across a period and increases down a group.

b. decreases across a period but increases down a group.

c. increases across a period but decreases down a group.

d. decreases across a period and decreases down a group.

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Answers (1)

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Hannah Phillips · Answer 1

The correct answer is B. The atomic radius decreases across a period but increases down a group. The periodic table is arranged in order to predict certain properties of the elements across a period or down a group. Aside from the atomic radius, other trends include electron affinity, ionization energy, electronegativity and metallic character.

Atomic radiusa. increases across a period and increases down a group.b. decreases across a period but increases down a group.c. increases across a period but decreases down a group.d. decreases across a period and decreases down a group.

Atomic radius

a. increases across a period and increases down a group.

b. decreases across a period but increases down a group.

c. increases across a period but decreases down a group.

d. decreases across a period and decreases down a group.