Question

Which pair of elements would most likely bond to form a covalently bonded compound?
A.Magnesium and sulfur

B.Phosphorus and oxygen

C.Sodium and fluoride

D.Barium and chloride

Answer 1

Answer:

Answer D

Explanation:

Barium shows metallic character more hence having tendency to form covalent bond

Answer 2

Concept Introduction:-

An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. When atoms share electrons, a stable equilibrium of the attractive and repulsive forces between them is known as covalent bonding.

Explanation:-

We have been provided a question which pair of elements would most likely bond to form a covalently bonded compound

We need to choose from the given alternatives the correct option

The correct option is $B$. Phosphorus and oxygen

It is because both oxygen and phosphorus are non-metals then the bond between them must be a bond that shares electrons so it is called a covalent or molecular bond.

Final Answer:-

The correct answer is option is $B$. Phosphorus and oxygen.

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