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5 Written questions

5 Matching questions

  1. What is a neutron?
  2. What is a radioactive isotope?
  3. What determines the chemical properties of an atom?
  4. What are isotopes?
  5. The number of shells an atom has depends on what?
  1. a The number of electrons in the outermost shell.
  2. b the number of electrons it has.
  3. c 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. d is one in which the nucleus decays, giving off particles of energy.
  5. e an electronically neutral subatomic particle.

5 Multiple choice questions

  1. Ionic
  2. Solid
  3. The smallest unit of matter that still retains the properties of an element.
  4. A compound held together by ionic bonds.
  5. the polarity of the water molecule

5 True/False questions

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


  2. What is a covalent bond?Formed when a particularly positive atom from one polar molecule is attracted to the partially negative atoms in another molecule.


  3. What primarily determines how an atom behaves?Electrons.


  4. What is mass?The term for atoms that are electronically charged as a result of gaining/losing electrons.


  5. How many electrons can the 2nd and 3rd shell of an atom hold?up to 8 electrons.