Other questions in this quiz

2. what is the mass number?

  • a weight of something
  • total number of protons and neutrons in an atom (top number)
  • bottom number

3. what is a nucleus made up of?

  • protons and neutrons
  • oranges
  • protons and electrons
  • neutrons and electrons

4. what is the atomic number?

  • big number
  • number of metals
  • is the number of protons in an atoms (little number)
  • mass number

5. what is an ion?

  • charged atom or group of atoms
  • an iron
  • a metal
  • a compound

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