answersLogoWhite

0


Best Answer

There are 2 valence electrons in an atom of magnesium. There are 5 valence electrons that are in an atom of phosphorus. There are 4 valence electrons that are in a silicon atom.

User Avatar

Wiki User

9y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

14y ago

magnisum has 12 protons and 12 electrons

This answer is:
User Avatar

User Avatar

Wiki User

11y ago

2 valence electrons in Mg.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many valence electrons are in an atom of magnesuim?
Write your answer...
Submit
Still have questions?
magnify glass
imp