Questions: Nitrogen (N) has atomic number of 7. How many electrons are in its 1st shell?

Nitrogen (N) has atomic number of 7. How many electrons are in its 1st shell?
Transcript text: Nitrogen (N) has atomic number of 7. How many electrons are in its 1st shell?
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Solution

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Solution Steps

Step 1: Understanding the Atomic Structure

The atomic number of an element indicates the number of protons in its nucleus, which is equal to the number of electrons in a neutral atom. For nitrogen (N), the atomic number is 7, meaning it has 7 electrons.

Step 2: Electron Shell Configuration

Electrons are arranged in shells around the nucleus. The first shell can hold a maximum of 2 electrons, and the second shell can hold up to 8 electrons.

Step 3: Distributing Electrons in Shells

Since nitrogen has 7 electrons:

  • The first shell will be filled with 2 electrons.
  • The remaining 5 electrons will go into the second shell.

Final Answer

The number of electrons in the 1st shell of nitrogen (N) is \(\boxed{2}\).

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