Ions and Atoms Worksheet
Grade 11 Chemistry worksheet covering atomic structure, ions, isotopes, and their properties.
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Standards
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Ions and Atoms Worksheet
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Date:
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which subatomic particle determines the identity of an element?
Electron
Neutron
Proton
Nucleus
2. An atom that has gained electrons becomes a(n):
Cation
Anion
Isotope
Molecule
3. The atomic number of an element is equal to the number of in the nucleus.
4. Isotopes are atoms of the same element that have different numbers of .
5. Explain the difference between an atom and an ion.
6. All atoms of a given element have the same mass number.
True
False
7. For the diagram below, label the subatomic particles and indicate their charges.
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