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- 1. Multiple Choice
The three basic components of an atom are:
protons, neutrons, and ions
protons, neutrons, and electrons
protons, neutrinos, and ions
protium, deuterium, and tritium
- 2. Multiple Choice
The nucleus of an atom consists of:
electrons
neutrons
protons and neutrons
protons, neutrons and electrons
- 3. Fill in the Blank
A single proton is ________________ charged
- 4. Multiple Choice
Which particles have approximately the same size and mass as each other?
neutrons and electrons
electrons and protons
protons and neutrons
none - they are all very different in size and mass
- 5. Multiple Choice
Which two particles would be attracted to each other?
electrons and neutrons
electrons and protons
protons and neutrons
all particles are attracted to each other
- 6. Multiple Choice
The atomic number of an atom is:
the number of electrons
the number of neutrons
the number of protons
the number of protons plus the number of neutrons
- 7. Fill in the Blank
Electrons are found in the ____________ __________.
- 8. Multiple Choice
Select the options that are TRUE for neutrons
negatively charged
have no charge
found in the nucleus
neutrons + protons is equal to the mass number
- 9. Multiple Choice
Select the options that are FALSE for protons
have a positive charge
are bigger than neutrons
the number of protons says what atom it is
protons + electrons = atomic number
- 10. Multiple Choice
Molecules are made up of different types of atoms
True
False
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