Hello po pa help hehehehe​

4=c

Explanation:

1. C

2.B

3.A

4.D

5.B

Explanation:

I know that's the correct answer because I learned it at elementary and read it on a book

Option (a) is the correct answer.

Explanation:

Lewis acid are the species which readily accept an electron pair.

Thus, a substance that accepts electrons to form a covalent bond is the definition of a Lewis acid.

For example,    +          

       Lewis acid      Lewis base   covalent bond formed

Whereas the species or substances that donates electrons to form a covalent bond are known as lewis bases.