Atoms + atoms during a chemical reaction

• What are protons in an atom?

  Positively charged particles
• What charge do neutrons have?

  No charge
• Where are protons located in an atom?

  In the nucleus
• What charge do electrons have?

  Negative charge
• Where are electrons located in an atom?

  In the shells
• What are the three main subatomic particles in an atom?

  • Protons
  • Neutrons
  • Electrons
• What happens to atoms during a chemical reaction?

  Atoms rearrange themselves
• What is the chemical equation for the reaction of magnesium and oxygen?

  mg + O₂ = 2mgO₂
• What is the process of rearranging atoms in a chemical reaction?

  • Atoms break bonds
  • Atoms form new bonds
  • New substances are created
• What is the charge of protons?

  Positive charge
• What is the charge of electrons?

  Negative charge
• What is the location of neutrons in an atom?

  In the nucleus