During the formation of magnesium chloride, magnesium atom loses ______ electrons to attain the stable electronic configuration.

three

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four

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one

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two

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Solution

The correct option is D two
The electronic configuration of magnesium is 2, 8, 2.
The electronic configuration of chlorine is 2, 8, 7.
Therefore, magnesium atom loses two electrons to attain the electronic configuration of the nearest noble gas.
The two chlorine atoms gains one electron each to attain the stable electronic configuration of noble gas.

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Similar questions

Q. Magnesium with atomic number 12 attains the stable electronic configuration of the nearest noble gas :

Q. (a) Give the electron configuration of magnesium and chlorine.
(b) Write the electron dot-structures of magnesium and chlorine atoms.
(c) Describe the formation of magnesium chloride from magnesium and chlorine by the transfer of electrons.
(d) What type of chemical bonds are present in the magnesium chloride formed?
(e) Why do such compounds have high melting points?

Q. Which of the following statement is correct for the attainment of stable electronic configuration in case of magnesium atom?

Explain by drawing a figure of the electronic configuration.

a. Formation of sodium chloride from sodium and chlorine.

b. Formation of a magnesium chloride from magnesium and chlorine.

(a) Name the charged particles which attract one another to form electrovalent compounds.

(b) In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compounds ?

(c) The electronic configuration of nitrogen is (2, 5). How many electrons in the outer shell of a nitrogen atom are not involved in the formation of a nitrogen molecule ?

(d) In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.

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