To determine the variety of core electrons in a cadmium (Cd) atom, let’s first write that electron configuration.
You are watching: Give the number of valence electrons for cd.
Ground-state means that cadmium is in its shortest energy form (not in excited state). Carbon additionally has no charge (neutral element) which method that no electrons are gotten rid of or added to the atom.
Neutral element: atom number = # protons = # the electrons
Recall:
s orbital→can host a maximum of 2 electrons
p orbitals→can organize a maximum that 6 electrons
d orbitals →can host a maximum that 10 electrons
f orbitals →can hold a maximum the 14 electrons
From the regular table, we can see the Cd is in Period 5 and also d-block.
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Problem Details
Give the variety of valence electrons for Cd
A) 8
B) 10
C) 12
D) 2
E) 6
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