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8th grade Science
Atom test review
| Question | Answer |
|---|---|
| What kind of charge does protons have? | positive + |
| What kind of charge does electrons have? | negative charge - |
| What kind of charge does neutrons have? | no charge, neutral charge |
| What forms or makes up the nucleus? | protons and neutrons |
| Where are the protons? | inside the nucleus |
| Where are the electrons? | on the outer circles and on the "cloud" |
| Where is the electron shelf? | on the "cloud" |
| What has the same number as the atomic number? | protons and electrons |
| What does an atom need to be neutral? | have equal protons and electrons |
| Where are the neutrons? | inside the nucleus |
| What is the number called in front of the element? | the coeffecient |
| What is the number called that is in back of the element ? | the subscript |
| What 4 things can you find in an element box? | atomic number, chemical symbol, chemical name, and the atomic mass |
| What has the same number as protons and electrons? | atomic number |
| Atoms are made of what particles? | protons, neutrons, electrons |
| How do you find the neutron number? | the atomic mass minus the protons |
| What orbits or goes around the nucleus? | electrons |
| Where can you find all known elements? | on the periodic table |
Created by:
Amy German
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