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Isotopes
Test Description: This review is designed to reinforce the basics when considering istopes.
Instructions: Answer all questions to get your test result.
1) Every atom of an given element has the same number of what two subatomic particles?
A
electrons and protons
B
quarks and hadrons
C
electrons and neutrons
D
neutrons and quarks
2) Every atom of a given element does NOT have the same number of what subatomic particle?
A
protons
B
neutrons
C
quarks
D
electrons
3) Atoms of the same element that have different numbers numbers of neutrons in the nucleus AND different mass numbers are called:
A
isothermic
B
isometric
C
isotopes
D
isopropyl
4) All isotopes of a given element have the same:
A
atomic variable
B
atomic valence
C
atomic number
D
atomic mass
5) Even though isotopes of an element have the same atomic number, they have different:
A
mass weights
B
mass numbers
C
mass totals
D
mass proportions
6) The reason isotopes have the same atomic number but different mass numbers is they have different numbers of:
A
hadrons
B
neutrons
C
protons
D
electrons
7) Oxygen atoms have 8 protons in their nucleus, giving them an atomic number of:
A
4
B
16
C
12
D
8
8) Some oxygen isotopes have 8 protons and 8 neutrons in their nucleus, which gives them an atomic mass number of:
A
8
B
24
C
32
D
16
9) What is the atomic mass number of an oxygen (atomic number 8) isotope that has 9 neutrons?
A
16
B
17
C
8
D
9
10) What is the atomic mass number of an oxygen (atomic number 8) isotope that has 10 neutrons?
A
16
B
18
C
8
D
10
*select an answer for all questions
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