The number of protons.- Atoms of the same element all have the same number of protons-- so atoms of different elements will have different numbers of protons.
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What do you do to get the number of neutrons?
- Just subtract the atomic number from the mass number. Electrons aren't counted in the mass number because their relative mass is very small.
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What are the masses of the particles?
Proton- 1 Neutron- 1 electron- very small
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What are compounds?
- Compounds are formed when atoms of two or more elements are chemically combined together. for e.g, carbon dioxide is a compound
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Other cards in this set
Card 2
Front
The number of protons.- Atoms of the same element all have the same number of protons-- so atoms of different elements will have different numbers of protons.
Back
Atomic Number
Card 3
Front
- Just subtract the atomic number from the mass number. Electrons aren't counted in the mass number because their relative mass is very small.
Back
Card 4
Front
Proton- 1 Neutron- 1 electron- very small
Back
Card 5
Front
- Compounds are formed when atoms of two or more elements are chemically combined together. for e.g, carbon dioxide is a compound
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