How many valence electrons does coper have?

Anonymous

∙ 14y ago

Updated: 8/19/2019

Copper is element number 29. Thus, neutral copper has 29 protons and 29 electrons. The first 29 orbitals are filled as 1s2 2s2 2p6 3s2 3p6 4s1 3d10, thus copper has only one valence electron in its 4th shell.

Wiki User

∙ 14y ago

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