Chapter 19 & 20: Chemical Reactions & Radioactivity and Nuclear Reactions

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Across
  1. 4. Shorthand method used to describe chemical reactions using chemical formulas and other symbols.
  2. 5. Process that occurs when a nucleus decays and emits matter and energy.
  3. 6. Number in a chemical equation that represents the number of units of each sustenance taking part in a chemical reaction.
  4. 8. Particle consisting of two protons and two neutrons that is merited from a decaying atomic nucleus.
  5. 9. In a chemical reaction, the new substance or substances formed.
  6. 10. Series of fission reactions caused by the release of additional neutrons in every step.
Down
  1. 1. High-energy electron that is emitted when a neutron decays into a proton.
  2. 2. In a chemical reaction, the substance that reacts.
  3. 3. Attractive force that acts between protons and neutrons in an atomic nucleus.
  4. 7. Process in which one or more substances are changed into new substances.