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3 years ago

What trend do you note for the atomic radii of the third period?

Chemistry

2 answers:

Natasha_Volkova [10]3 years ago

6 0

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As you move across the period, the atomic radii decreases.

This is because of an increase in the number of protons (and electrons) and therefore, an increase in the nuclear charge.

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Law Incorporation [45]3 years ago

5 0

Answer:

The atomic radii decreases from left (sodium) to right (Argon).

Explanation:

The number of positive protons in the nucleus increases so the pull on the electrons increases and this decreases the radius.

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