What is 1s2 2s2 p3?

Answer 1

Beryllium has atomic number 4, so 4 protons. The electronic configuration 1s2 2s2 has 2 electrons in the 1s shell and 2 electrons in the 2s shell, which is 4 electrons.

Answer 2

Beryllium has atomic number 4, so 4 protons. The electronic configuration 1s2 2s2 has 2 electrons in the 1s shell and 2 electrons in the 2s shell, which is 4 electrons, for an electrically neutral atom.

Answer 3

1s2 2s2 p3 is the electron configuration of an oxygen atom. This configuration represents the distribution of electrons in different energy levels or orbitals in the atom. The numbers indicate the number of electrons in each orbital (s and p orbitals in this case).

Answer 4

barylium

Answer 5

nitrogen