Chapter 5 Electrons and bonding

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5 Terms

1
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What are the maximum number of electrons in the first four shells?

Shell number (n) - number of electrons

1 - 2

2 - 8

3 - 18

4 - 32

2
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What are shells?

Shells are regarded as energy levels

The energy increases as the shell number increases

3
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What is the principle quantum number n?

The shell number or energy level number

4
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What is the formula to find the maximum number of electrons in a shell n?

2n²

5
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What is an atomic orbital?

A region around the nucleus that can hold up to two electrons, with opposite spins

Shells are made up of atomic orbitals