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For a neutral atom with the electron configuration of 1s² 2p² 2p⁵ 3s¹, which statement is false?

a. the atomic number is 10

b. the 1s and 2s orbitals are filled

c.the atom is in the ground state

d.the atom is in the excited state​

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Answer:

B. the 1s and 2s orbitals are filled

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Answer:

C. The atom is in the ground state

A ground-state atom is an atom in which the total energy of the electrons can not be lowered by transferring one or more electrons to different orbitals. That is, in a ground-state atom, all electrons are in the lowest possible energy levels. ... Therefore, this carbon atom is a ground-state atom.

Explanation:

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