Question

electrons and the periodic table
quiz complete
1 2 3 4 5 6 7 8 9 10
what is the number of valence electrons in cadmium (cd)?
1
2
10
12

Explanation:

Step1: Locate Cd on periodic table

Cadmium (Cd) is in Group 12, Period 5.

Step2: Determine valence electrons

Group 12 elements have 2 valence electrons.

Answer:

2