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Which of the following elements has the fewest valence electrons?

beryllium
boron
carbon
lithium

User Splendor
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1 Answer

3 votes

Answer:

Lithium

Step-by-step explanation:

Lithium is in group 1 and group 1 elements have only 1 valence electron on their outer shell.

Beryllium is in group 2 so it has 2 valence electrons.

Boron is in group 3 so it has 3 valence electrons.

Carbon is in group 4 so it has 4 valence electrons.

User Doc Kodam
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