Rounded to the nearest whole number, how many electrons are in an atom of zirconium? 40 51 91 131

The number of electrons in an atom of zirconium are 40.

Explanation:

Electrons are one of the subatomic particles present in an atom.

Electrons in an atom is judged by the atomic number of the atom.

Atomic number = Number of protons = Number of electrons

Atomic number of Zirconium = 40

Number of electrons will be equal to 40

Electronic configuration of Zirconium (Z = 40):

a and c

c is 100% but i am confused in a

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s