A neutral atom has an electron configuration of 1s22s22p63s23p2. What is its atomic number?

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Heisenberg's Uncertainty Principle: The position and momentum of a particle cannot both be measured precisely at the same time.

The Pauli exclusion principle: No two electrons in an atom can occupy the same quantum state.


A neutral atom has an electron configuration of 1s<sup>2</sup>2s<sup>2</sup>2p63s<sup>2</sup>3p2. What is its atomic number?