The appropriate blanks in the sentences on the right.

Ge would be an increase in Si in atomic radius because, as you trace from Si to Ge on the
periodic table, you move
a column, which results in left the atomic radius.
Ga would be larger than Si in atomic radius because, as you trace from Si to Ga on the periodic
a column and then to the
across the period, which both
table, you move
result in
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the atomic radius.
As would be
table, you move down the column and then to the
movements result in
the atomic radius.
Si in atomic radius because, as you trace from Si to As on the periodic
across the period, and these to

Ge would be an increase in Si in atomic radius because, as you trace from Si to Ge on the periodic table, you move down a column, which results in an increase in the atomic radius.

Ga would be larger than Si in atomic radius because, as you trace from Si to Ga on the periodic table, you move across the period, which results in an decrease in the atomic radius.

As would be larger than Si in atomic radius because, as you trace from Si to As on the periodic table, you move down the column and then to the left across the period, which both result in an increase in the atomic radius.

Ge would be an increase in Si in atomic radius because, as you trace from Si to Ge on the periodic table, you move down a column, which results in an increase in the atomic radius.

Ga would be larger than Si in atomic radius because, as you trace from Si to Ga on the periodic table, you move across the period, which results in an increase in the atomic radius.

As would be larger than Si in atomic radius because, as you trace from Si to As on the periodic table, you move down the column and then across the period, which both movements result in an increase in the atomic radius.

The appropriate blanks in the sentences on the right are as follows:

1. Ge would be an increase in Si in atomic radius because, as you trace from Si to Ge on the periodic table, you move **down** a column, which results in **increasing** the atomic radius.

2. Ga would be larger than Si in atomic radius because, as you trace from Si to Ga on the periodic table, you move **across** a column and then to the **right** across the period, which both result in **increasing** the atomic radius.

3. As would be **smaller** than Si in atomic radius because, as you trace from Si to As on the periodic table, you move **across** the period, and these movements result in **decreasing** the atomic radius.