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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
electrons and neutrons
C
neutrons and quarks
D
quarks and hadrons
2) Every atom of a given element does NOT have the same number of what subatomic particle?
A
neutrons
B
quarks
C
protons
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
isopropyl
B
isotopes
C
isometric
D
isothermic
4) All isotopes of a given element have the same:
A
atomic variable
B
atomic mass
C
atomic valence
D
atomic number
5) Even though isotopes of an element have the same atomic number, they have different:
A
mass numbers
B
mass totals
C
mass weights
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
electrons
C
protons
D
neutrons
7) Oxygen atoms have 8 protons in their nucleus, giving them an atomic number of:
A
8
B
16
C
4
D
12
8) Some oxygen isotopes have 8 protons and 8 neutrons in their nucleus, which gives them an atomic mass number of:
A
24
B
8
C
16
D
32
9) What is the atomic mass number of an oxygen (atomic number 8) isotope that has 9 neutrons?
A
9
B
16
C
8
D
17
10) What is the atomic mass number of an oxygen (atomic number 8) isotope that has 10 neutrons?
A
10
B
16
C
18
D
8
*select an answer for all questions
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