Question

A neutral atom has 2electrons in it's K Sell,8electrons in it's L,sell and 2 electrons in it's M,sell.find the atomic number of the element.Write the symbol of the ion that will be obtained if the electrons in the M,sell are removed from the atom?

Answer 1

Answer:

magnesium

mg^2+............9

Answer 2

Answer:

The atomic number of the element will be 12.

In order to become stable , element having atomic number 12 have to donate it's 2 electrons of M she'll to become stable and due to which it will possess +2 charge over it.

The element with atomic number 12 is Magnesium (Mg).

After becoming stable...it will become Mg†².

Explanation:

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