Chapter 17, Problem 30R

To determine

To Choose: The correct option.

Answer to Problem 30R

The correct option is (C).

Explanation of Solution

Introduction:

There are total 118 elements discovered. Out of these 90 elements are found in nature. Some of them are copper, gold, silver and magnesium.

Magnesium is mostly found element in nature among the given elements.

Magnesium is a chemical element whose symbol is Mg while its atomic number is 12. It is an abundant element in the universe, in the Earth’s crust as well as in seawater.

Atomic number of Magnesium =12

So, its electronic configuration is 2,8,2

It loses two electrons and has +2 oxidation state. It is highly reactive element that is found in large deposits in various minerals such as magnesite and dolomite.

Conclusion:

Thus, magnesium is always found in nature combined with other elements. The correct option is (C).