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5 Written questions

5 Matching questions

  1. What is the atomic number?
  2. What are the 4 most abundant elements in living cells?
  3. What is a hydrogen bond?
  4. What primarily determines how an atom behaves?
  5. What is matter?
  1. a Oxygen, carbon, hydrogen, and nitrogen.
  2. b The number of protons in an atom.
  3. c Anything that has mass and occupies space.
  4. d Electrons.
  5. e Formed when a particularly positive atom from one polar molecule is attracted to the partially negative atoms in another molecule.

5 Multiple choice questions

  1. 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
  2. The number of electrons in the outermost shell.
  3. Protons and neutrons.
  4. the number of electrons it has.
  5. Ionic
    Covalent
    Hydrogen

5 True/False questions

  1. What is a proton?A subatomic particle w/ a single unit of positive electrical charge (+)

          

  2. What physical states is matter found in?Anything that has mass and occupies space.

          

  3. What is a chemical reactions?Changes is the chemical compound of matter.

          

  4. Which part of the atom has the most energy?The outer shell.

          

  5. What determines which element it is?the atomic number.