What is the primary factor that determines the atomic radius of an element?

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Question: What is the primary factor that determines the atomic radius of an element?

Options:

Correct Answer: Number of electron shells

Solution:

The atomic radius increases with the number of electron shells, as each additional shell is further from the nucleus.

What is the primary factor that determines the atomic radius of an element?

What is the primary factor that determines the atomic radius of an element?

Step 1: Understand that an atom has a nucleus at its center, which contains protons and neutrons.
Step 2: Know that electrons orbit around the nucleus in different layers called shells.
Step 3: Realize that each shell is further away from the nucleus than the previous one.
Step 4: Recognize that as you add more electron shells, the outermost electrons are farther from the nucleus.
Step 5: Conclude that the more electron shells an element has, the larger its atomic radius will be.

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