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All elements except hydrogen have two electrons in the first energy level.

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Q: What is the number of electrons in the 1st energy level of magnesium?
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Related questions

How many electrons are in the third energy level of magnesium atom?

2 electrons. Magnesium has 12 total, in 3 shells, 2,8,2There are two electrons in magnesium's third energy level.


How many electrons are in magnesium's third energy level?

2 electrons are in magnesiums last energy level


Why does magnesium have an ionization number of 2?

Magnesium is in group 2 of the Periodic table, and so has 2 electrons in its outermost energy level. Therefore, its outermost energy level is full once 2 electrons are removed, and so it has an ionisation number of 2


What is the total number of electrons in a Mg2 positive ion?

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?


What is magnesium's highest occupied energy level?

Magnesium is 1s22s22p63s2 and so the 3rd energy level is the highest occupied level.


How many electrons in magnesium's third energy level?

2


How many electrons are in magnesium's second energy level?

8


How many electrons are in the first energy level of magnesium?

Magnesium (Mg) has two electrons in it's lowest (s) orbital.


How many electrons are in the second energy level of magnesium?

There are six electrons are in the second energy level of magneisum. A further two are on the first energy level and the last two are on the third energy level.


How many electrons do beryllium and magnesium have in there outer energy levels?

Beryllium and magnesium have two electrons in their outermost energy level, as do all Group 2 elements.


Magnesium has an atomic number 12 and an atomic mass number 24 how many electrons are in its third energy shell?

Magnesium has 12 protons and electrons and its electronic configuration is 2.8.2, therefor it has 2 electrons in its 3rd energy level or elcectron outer shell


Which atom has two electrons in its outermost energy level?

An example is magnesium.