NAME

Question Types


Start With


Question Limit

of 27 available terms

Advertisement Upgrade to remove ads

5 Written Questions

5 Matching Questions

  1. Isotope
  2. Law of Multiple Proportions
  3. Proton
  4. Relative Atomic Mass
  5. Strong Nuclear Force
  1. a if two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers
  2. b a subatomic particle that has a positive charge and that is found in the nucleus of an atom
  3. c a powerful force of attraction that binds protons and neutrons together in the nuleus
  4. d atom of an element that has a number of neutrons different from that of other atoms of the same element
  5. e a mass of an atom expressed in relation to the defined standard of 12 amu (1 carbon atom)

5 Multiple Choice Questions

  1. the tiny, dense central portion of an atom, composed of protons and neutrons
  2. the weighted average of the atomic masses of the naturally occurring isotopes of an element
  3. a subatomic particle that has no charge and that is found in the nucleus of an atom
  4. the amount of a substance that contains as many particles as there are atoms in exactly 12 g of carbon-12
  5. evacuated glass tube in which a stream of electrons emitted by a cathode strikes a fluorescent material, causing it to glow(used to discover the electron)

5 True/False Questions

  1. Nuclear Model of the atomatoms are balls of positively charged material with negative electrons scattered throught

          

  2. J J Thompson1897- Idea of a subatomic negatively charged particle (electron). Made Plum Pudding model of the atom.

          

  3. Atomthe smallest particle of an element that retains its identity in a chemical reaction

          

  4. Law of Definite Proportionsif two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers

          

  5. Law of Conservation of Massthe weighted average of the atomic masses of the naturally occurring isotopes of an element

          

Create Set