Math

QuestionChoose the atom with the larger atomic radius from each pair: (a) Na, Cs; (b) Be, Ba; (c) N, Sb; (d) F, Br; (e) Ne, Xe.

Studdy Solution

STEP 1

Assumptions1. The atoms are arranged in the periodic table according to their atomic numbers. . The atomic radius increases as we move down a group (column) in the periodic table.
3. The atomic radius decreases as we move across a period (row) in the periodic table from left to right.

STEP 2

For pair (a) Na and Cs, we need to determine which atom is lower in the periodic table.

STEP 3

Na (odium) is in the3rd period and Cs (Cesium) is in the6th period. Since the atomic radius increases as we move down a group, Cs has a larger atomic radius than Na.

STEP 4

For pair (b) Be and Ba, we need to determine which atom is lower in the periodic table.

STEP 5

Be (Beryllium) is in the2nd period and Ba (Barium) is in theth period. Since the atomic radius increases as we move down a group, Ba has a larger atomic radius than Be.

STEP 6

For pair (c) N andb, we need to determine which atom is lower in the periodic table.

STEP 7

(Nitrogen) is in the2nd period andb (Antimony) is in the5th period. Since the atomic radius increases as we move down a group,b has a larger atomic radius than N.

STEP 8

For pair (d) F and Br, we need to determine which atom is lower in the periodic table.

STEP 9

(Fluorine) is in the2nd period and Br (Bromine) is in the4th period. Since the atomic radius increases as we move down a group, Br has a larger atomic radius than F.

STEP 10

For pair (e) Ne and Xe, we need to determine which atom is lower in the periodic table.

STEP 11

Ne (Neon) is in thend period and Xe (Xenon) is in the5th period. Since the atomic radius increases as we move down a group, Xe has a larger atomic radius than Ne.
In conclusion, the atoms with the larger atomic radii in each pair are (a) Cs, (b) Ba, (c)b, (d) Br, and (e) Xe.

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