Other questions in this quiz

2. what is the mass number?

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

3. what is the atomic number?

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

4. What is an isotope?

  • Atoms of the same element that have the same atomic number but different mass number
  • have different atomic numbers
  • part of ionic bonding
  • whats in a nucleus

5. what is an ion?

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

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