Conservation in Reactions

Edit Answers
1234567891011121314151617181920
Across
  1. 3. Anything that has mass and takes up space.
  2. 4. The law of conservation of mass is an important _____ in the field of chemistry.
  3. 6. 2 C3HOH
  4. 9. The small numbers written after the element symbol, and they tell us how many atoms of each element are present.
  5. 10. Processes that involve the rearrangement of the atoms in a substance.
  6. 12. Have three parts: the reactants, the products, and the arrow between them that symbolizes the reaction.
  7. 15. 6 CO2 + 6 H2O + light energy 🡪 C6H12O6 + 6 O2
  8. 16. neither created nor destroyed.
  9. 18. The building blocks of matter, consisting of protons, neutrons, and electrons.
  10. 19. The same amount of matter exists before and after a physical or chemical change.
  11. 20. 300 g A + 100 g B 🡪 400 g AB
Down
  1. 1. You can multiply the coefficient by the sum of the subscripts to determine this.
  2. 2. The new substances created by the rearranged atoms.
  3. 5. Identify which elements are present.
  4. 7. C2H5OH
  5. 8. Na + Cl 🡪 NaCl
  6. 11. The initial substances being combined in a chemical equation.
  7. 13. The numbers written before the formula, and they tell us how many molecules of the compound you have.
  8. 14. CH3OH
  9. 17. In chemical reaction atoms are simply _____ into new substances.