Other questions in this quiz

2. what is a nucleus made up of?

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

3. what is an element?

  • substance made up of one type of atom
  • a metal
  • part of the periodic table
  • in the nucleus

4. what is the atomic number?

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

5. what is an ion?

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