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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
protons
B
electrons
C
neutrons
D
quarks
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
isopropyl
C
isometric
D
isotopes
4) All isotopes of a given element have the same:
A
atomic mass
B
atomic valence
C
atomic variable
D
atomic number
5) Even though isotopes of an element have the same atomic number, they have different:
A
mass totals
B
mass proportions
C
mass weights
D
mass numbers
6) The reason isotopes have the same atomic number but different mass numbers is they have different numbers of:
A
protons
B
neutrons
C
hadrons
D
electrons
7) Oxygen atoms have 8 protons in their nucleus, giving them an atomic number of:
A
16
B
12
C
4
D
8
8) Some oxygen isotopes have 8 protons and 8 neutrons in their nucleus, which gives them an atomic mass number of:
A
16
B
32
C
8
D
24
9) What is the atomic mass number of an oxygen (atomic number 8) isotope that has 9 neutrons?
A
8
B
16
C
9
D
17
10) What is the atomic mass number of an oxygen (atomic number 8) isotope that has 10 neutrons?
A
18
B
10
C
16
D
8
*select an answer for all questions
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