The correct options are:
B. Zinc is a pure substance.
C. This ion has 30 protons, 28 neutrons and 32 electrons.
A ion of zinc - 66 has a 2+ charge. If zinc is known to be atomic number 30, select all that are true.(choose all that apply)
A.This ion has 30 protons, 36 neutrons, and 28 electrons.
B.Zinc is a pure substance.
C.This ion has 30 protons, 28 neutrons and 32 electrons.
D.This ion has 30 protons, 33 neutrons, and 30 electrons.
1 answer