Argon
12
No, sulfur has six valence electrons, while magnesium has two valence electrons.
The element with 2 valence electrons on the third energy level is magnesium. Magnesium has an electron configuration of 2-8-2, with 2 electrons on the outermost energy level.
Magnesium (Mg) with two valence electrons
Magnesium is a metal element. There are 12 electrons in a single atom.
Argon
Calcium (Ca) has two valence electrons.
Magnesium is element 12 and belongs to Group 2 of the Periodic Table, are the outermost electrons, magnesium has two valence electrons.
Magnesium
A magnesium atom has 2 electrons in its valence shell. A magnesium ion has 8 electrons in its valence shell.
12
No, sulfur has six valence electrons, while magnesium has two valence electrons.
The element with 2 valence electrons on the third energy level is magnesium. Magnesium has an electron configuration of 2-8-2, with 2 electrons on the outermost energy level.
Magnesium is a group 2A element, and has 2 valence electrons. Thus, for it to become an ion (Mg^2+) is loses those 2 valence electrons.
Magnesium has 2 valence electrons.
Magnesium (Mg) with two valence electrons
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.