Q: What is the smallest particle of an element that still has the element's properties? A:
OPTIONS:
- an ion
- a nucleus
- an electron
- an atom
an atom
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Q: Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles? A:
OPTIONS:
- sleeping
- digesting
- eating
- cooling down
cooling down
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Q: What gives a coil of copper wire the ability to conduct electricity well? A:
OPTIONS:
- optical bonds
- metallic electrons
- metallic ions
- metallic bonds
metallic bonds
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Q: Where does an electron move to after it absorbs energy? A:
OPTIONS:
- another electron
- atomic orbit
- a shell closer to the nucleus
- a shell farther from the nucleus
a shell farther from the nucleus
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