Chemistry

• What is atomic mass?

  Total number of protons and neutrons in an atom
• What is the relationship between atoms and elements?

  • Elements are made up of atoms
  • Each element consists of atoms with the same number of protons
  • The number of protons defines the element
• What happens to a non-metal atom when it gains electrons?

  It becomes negatively charged.
• What type of atom gains electrons in ionic bonding?

  Non-metal atom