chemistry

Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element.

Excited State: 1s2 2s2 2p2 3s1

Element Symbol: ?

Ground State: ?

  1. 👍 0
  2. 👎 1
  3. 👁 8,237
  1. # electrons = 7 (count them) which means 7 protons which means element #7 in the periodic table.
    Now write the ground state for N.

    1. 👍 3
    2. 👎 8
  2. N
    1s2 2s2 2p3

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    2. 👎 5

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