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Question 1 of 6
1. Question
Complete the following statement.
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A neutral atom of cadmium-114 (114Cd) contains protons, neutrons, and electrons.
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Question 2 of 6
2. Question
Which of the following correctly represents an atom that has 19 protons, 20 neutrons and 18 electrons?
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Question 3 of 6
3. Question
The amount of carbon-14 (14C) present in some artifacts can be used to determine their age. How many protons, neutrons and electrons are present in a neutral atom of carbon-14?
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Question 4 of 6
4. Question
Complete the following statement.
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The selenide-80 ion, 80Se2−, contains protons, neutrons, and electrons.
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Question 5 of 6
5. Question
Arrange the following sub-atomic particles from greatest mass (top) to lowest mass (bottom).
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proton
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neutron
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electron
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Question 6 of 6
6. Question
Match each of the following descriptions to the correct term.
Sort elements
- Contains most of the mass of an atom
- Occupy the majority of the volume of an atom
- Have a positive charge
- Have a neutral charge
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Nucleus
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Electrons
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Protons
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Neutrons
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