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Which of the following elements has five valence electrons? a. boron b. tungsten c. rubidium d. phosphorus
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1 vote
Which of the following elements has five valence electrons?

a. boron
b. tungsten
c. rubidium
d. phosphorus

User Ballmw
by
7.8k points

2 Answers

4 votes

Answer:

D

Step-by-step explanation:

phosphorus

User Matic Oblak
by
8.8k points
4 votes
D. Phosphorus

You can tell what elements have how many valence electrons by what group they're in. Groups are vertical.
So group 1 has 1 valence electron
Group 2 has 2 valence electrons
Group 3 has 3 valence electrons, etc.
User Davehayden
by
8.0k points
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