Question

Write the chemical formula of a compound formed when this element combines with chlorine.The atomic number of chlorine is 17​

Answer 1

Explanation:

Correct option is

C

BCl3

Electronic configuration of Boron is 1s22s22p1.

It has 3 electrons in the outermost shell. Hence, it can form 3 covalent bonds.

It forms BCl3 with chlorine.

Answer 2

Answer:

Electronic configuration of Boron is 1s

2

2s

2

2p

1

.

It has 3 electrons in the outermost shell. Hence, it can form 3 covalent bonds.

It forms BCl

3

with chlorine.

Explanation:

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