NAME

Question types


Start with


Question limit

of 44 available terms

Advertisement Upgrade to remove ads
Print test

5 Written questions

5 Matching questions

  1. the number of protons
  2. lead
  3. short-lived
  4. 2
  5. None of the above is true
  1. a 19) Which has the greatest number of protons in its nucleus?
    A) gold.
    B) mercury.
    C) lead.
    D) silver.
  2. b 38) To change mercury into gold, a pair of protons must be
    A) removed from the mercury nucleus.
    B) added to the mercury nucleus.
    C) removed from the gold nucleus
    D) added to the gold nucleus.
    E) None of the above is true.
  3. c 10) What makes an element distinct?
    A) the number of protons
    B) the number of neutrons
    C) the number of electrons
    D) the total mass of all the particles
    E) none of these
  4. d 24) In our part of the universe, antimatter is
    A) non-existent.
    B) plentiful.
    C) short-lived.
    D) long-lived.
  5. e 42) How many protons should be added to the nuclei of oxygen atoms so the resulting gas will glow red when there is an electric current through it?
    A) 1
    B) 2
    C) 3
    D) 4
    E) But protons will have to be subtracted, not added.

5 Multiple choice questions

  1. 13) Which of the following is not a mixture?
    A) granite
    B) cake
    C) air
    D) beach sand
    E) None. All of the above choices are mixtures.
  2. 31) The chemical properties of matter come mostly from its
    A) protons.
    B) electrons.
    C) neutrons.
  3. 16) A molecule has
    A) mass.
    B) structure.
    C) energy.
    D) all of these
    E) none of these
  4. 12) Which of the following is not a compound?
    A) air
    B) ammonia
    C) water
    D) salt
    E) All are compounds.
  5. 41) If one neutron is added to a helium nucleus, the result is
    A) hydrogen.
    B) boron.
    C) lithium.
    D) beryllium.
    E) helium.

5 True/False questions

  1. random motions of atoms and molecules11) Brownian motion has to do with the
    A) size of atoms.
    B) atomic vibrations.
    C) first direct measurement of atomic motion.
    D) random motions of atoms and molecules.
    E) rhythmic movements of atoms in a liquid.

          

  2. mostly empty space themselves16) A molecule has
    A) mass.
    B) structure.
    C) energy.
    D) all of these
    E) none of these

          

  3. electrons30) The volume of matter comes mostly from its
    A) protons.
    B) electrons.
    C) neutrons

          

  4. the same21) Compared to the energy it takes to separate oxygen and hydrogen from water, the amount of energy given off when they recombine is
    A) slightly more.
    B) slightly less.
    C) much more.
    D) much less.
    E) the same.

          

  5. neutron2) Which of the following are electrically neutral?
    A) proton
    B) neutron
    C) electron
    D) ion
    E) none of these