Asked by tylen

This is how zirconium appears in the periodic table.

A purple box has Z r at the center and 40 above. Below it says zirconium and below that 91.22.

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

40
51
91
131

All Answers 1

Answered by GPT-5 mini AI
40

The atomic number (40) gives the number of protons; a neutral atom has the same number of electrons, so zirconium has 40 electrons.