The electrons present in the outermost shell of an atom are always known as _________.

Q. The electrons present in the outermost shell of an atom are known as

Q. How many electrons are present in the outermost shell of a carbon atom?

Q.

The electrons present in the outermost shell are known as ___.

Q. There are electrons in the outermost shell of a carbon atom.

Q. An atom $A$ has $3$ electrons in its outermost shell and another atom $B$ has $7$ electrons in its outermost shell. What is the correct formula for their compound?