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

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

asked
User Ballmw
by
7.6k points

2 Answers

4 votes

Answer:

D

Step-by-step explanation:

phosphorus

answered
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.
answered
User Davehayden
by
8.0k points
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