The periodic table states that the atomic number of magnesium is 12. A magnesium atom would thus have 12 protons in its nucleus; any atom that has 12 protons must be a magnesium atom. Atomic number = number of protons
12
Magnesium has 2 electrons in its outer most shell and these 2 are the valency electrons.
Magnesium has 2 electrons on its outer energy level.
An atom of magnesium has 2 valence electrons. Magnesium is in group 2 of the periodic table, so it has 2 electrons in its outer shell.
The atomic number of magnesium is 12. The cation loses two electrons for 10.
Magnesium cation has a 2+ charge (Mg2+). The meaning is two electrons minus.
Magnesium has 12 electrons, with 2 electrons in its outermost shell. To have a full octet, magnesium needs to lose these 2 electrons to achieve a stable electron configuration, resulting in a 2+ charge as it becomes a cation.
When an atom loses an electron, it becomes positive (Since you're taking away something that is negative). It would not become an ion, it would become a cation.
The Magnesium atom will lose 2 of its electrons to become a Magnesium ion with 10 electrons. (Mg2+) How many electrons does a magnesium ion have? How many electrons does a fluoride ion have? How many electrons does a fluoride ion have?
The periodic table states that the atomic number of magnesium is 12. A magnesium atom would thus have 12 protons in its nucleus; any atom that has 12 protons must be a magnesium atom. Atomic number = number of protons
12
18 electrons.
Magnesium and the rest of the alkaline earth metals have two valence electrons.
Magnesium has 2 electrons in its outer most shell and these 2 are the valency electrons.
The number of electrons is 10.
Magnesium has 2 electrons on its outer energy level.