thameslilly thameslilly

29-01-2018
Chemistry

contestada

Zirconium has an atomic number of 40. How many neutrons are there in an isotope of zirconium-92?

A. 40
B. 52
C. 92
D. 132

Respuesta :

lucy145 lucy145

29-01-2018

NOTE
atomic number =number of protons and electrons
however number of neutrons with protons gives mass number .
92-40 =52 (B)

Answer Link

haileighjadyn haileighjadyn

06-11-2019

Answer:

the answer is b

Explanation:

Answer Link

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