C1.1.5 - Sub-Atomic Particles
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Last updated 1:34 PM on 10/6/22
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19 Terms
1
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What three particles make up atoms?
protons, neutrons, electrons
2
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What does amu stand for?
atomic mass unit
3
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Define the atomic mass unit:
1/12 the mass of a single carbon atom
4
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What is defined as '1/12 the mass of a single carbon atom'?
the atomic mass unit
5
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What does e stand for?
elementary charge unit
6
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Define the elementary charge unit:
the charge on an electron
7
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What is defined as 'the charge on an electron'?
elementary charge unit
8
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What is the mass of a proton in amu?
1.0073
9
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Which particle has a mass of 1.0073 amu?
proton
10
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What is the charge of a proton in e?
+1
11
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Which particle has a charge of +1e?
proton
12
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What is the mass of an electron in amu?
0.00055
13
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Which particle has a mass of 0.00055 amu?
electron
14
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What is the charge of an electron in e?
-1
15
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Which particle has a charge of -1e?
electron
16
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What is the mass of a neutron in amu?
1.0087
17
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Which particle has a mass of 1.0087 amu?
neutron
18
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What is the charge of a neutron in e?
0e
19
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Which particle has a charge of 0e?
neutron
Note 
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