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- 1. Multiple Choice
What charge does a proton have?
positive
negative
neutral
- 2. Multiple Choice
What charge does a neutron have?
positive
negative
neutral
- 3. Multiple Choice
What charge does an electron have?
positive
negative
neutral
- 4. Multiple Choice
There are equal numbers of ___ and ___ in an atom (if it's neutral)
protons and neutrons
protons and electrons
neutrons and electrons
- 5. Multiple Choice
What two particles are in the nucleus of an atom?
protons and electrons
electrons and neutrons
protons and neutrons
- 6. Multiple Choice
How many protons does an atom of Sodium (Na) have?
12
11
23
- 7. Multiple Choice
The atomic number is the number of ____ in the nucleus. It's the element's "identification"!
electrons
neutrons
protons
- 8. Multiple Choice
What particle(s) make up the mass number?
electrons
neutrons
protons
protons and neutrons
- 9. Multiple Choice
What is the mass number of Phosphorous (P)?
15
30
31
16
- 10. Multiple Choice
If an atom's atomic number is 2 and has a mass of 4, how many neutrons does the atom have?
2
4
6
0
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