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5 Written questions

5 Matching questions

  1. Subatomic particles
  2. Electrons forming the electron cloud around the nucleus of an atom occupy regions of space called...
  3. Electrical Energy
  4. Inert
  5. A chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other
  1. a electron shells
  2. b Protons, Electrons, Neutrons
  3. c When the outermost energy level of an atom is filled to capacity or contains eight electrons, the atom is stable. Such atoms are chemically unreactive. (complete)
  4. d results from the movement of charge particles.
    Example: found in the flow of electrons along the household wiring
  5. e Ionic bond

5 Multiple choice questions

  1. (CHON) Carbon, Hydrogen, Oxygen, Nitrogen
  2. cation
  3. (glucose + galactose) a sugar comprising one glucose molecule linked to a galactose molecule
  4. is equal to the number of protons in its nucleus.
  5. is defined as the capacity to do work, or to put matter into motion.

5 True/False questions

  1. What form of energy is used to transmit messages from one part of the body to another?Chemical energy- as you digest food (metabolism) it is broken down and ATP is formed to power processes in the body.


  2. A combination of two or more atoms held together by chemical bond is calleda molecule


  3. (no charge) in the nucleusProtons


  4. Steroidsare basically flat molecules made of four interlocking hydrocarbon rings. (fat soluble and contain little oxygen)


  5. the key to chemical reactivity is ...Octet rule (or rule of eight)


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