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WorksheetsChemistry project
Total questions: 9
Worksheet time: 4mins
What are isotopes?
Atoms of the same quantity of neutrons with different element
Atoms of the same quantity of protons with different element
Atoms of the same element with different quantity of neutrons
Atoms of the same element with different quantity of electrons
Isotopes have the same atomic number but different mass number?
true
false
Isotopes have the same number of electrons and (a)
Isotopes have different number of (a) in the nuclei
Isotopes are the same or similar to isotones?
false
true
Are isotopes different from isobars?
false
true
Isotopes are atoms of different elements?
true
false
Helium has a mass number of 4, with which of the following numbers will the mass number be unstable?
2
5
3
4
Carbon has a mass number of 14, so which of the following numbers will the mass number be stable?
15
14
12
17
