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Which of the following is a non-reactive metal with 2 valence electrons? O Magnesium Chlorine Carbon Helium
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4 votes
Which of the following is a non-reactive metal with 2 valence electrons?

O Magnesium
Chlorine
Carbon
Helium

User Brendan Foote
by
5.2k points

1 Answer

6 votes

Answer:

» a. Magnesium

Step-by-step explanation:

• Magnesium is least reactive and

• Magnesium has atomic number 12. Its electronic configuration is 2,8,2 . Thus, it has

2 valence electrons.

User Entropo
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