PART1: Which of the following statements about two isotopes is false? They will
ID: 1022794 • Letter: P
Question
PART1: Which of the following statements about two isotopes is false?
They will have the same charge on the nucleus.
They will have different numbers of neutrons.
They will have the same chemical reactivity.
They will have the same atomic numbers.
They will have the same atomic weights.
PART 2: Which of the following is not an ionic compound?
H2S
CaCl2
NiCl2
CuO
NaBr
a.They will have the same charge on the nucleus.
b.They will have different numbers of neutrons.
c.They will have the same chemical reactivity.
d.They will have the same atomic numbers.
e.They will have the same atomic weights.
Explanation / Answer
Isotope = species having same number of protons but having different mass numbers.
1.Statements about two isotopes is false?
They will have the same atomic weights.
2.Not ionic compounds
H2S and NiCl2
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