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5 Written questions

5 Matching questions

  1. What is a chemical reactions?
  2. What is an electron?
  3. Which part of the atom has the most energy?
  4. What is the atomic number?
  5. What is ion?
  1. a The term for atoms that are electronically charged as a result of gaining/losing electrons.
  2. b The outer shell.
  3. c The number of protons in an atom.
  4. d A subatomic particle w/ a negative charge.
  5. e Changes is the chemical compound of matter.

5 Multiple choice questions

  1. Atoms held together by covalent bonds.
  2. Ionic
  3. The smallest unit of matter that still retains the properties of an element.
  4. The sum of the number of protons and neutrons in its nucleus.
  5. 2.

5 True/False questions

  1. What is a polar molecule?a molecule that has opposite charges on opposite ends.


  2. What is a proton?an electronically neutral subatomic particle.


  3. What are isotopes?Elements that exist in different forms
    Forms of an element that differ in mass
    Same num of protons and electrons but diff num of neutrons


  4. What is matter?The sum of the number of protons and neutrons in its nucleus.


  5. What makes up the nucleus?Protons and neutrons.