Chemistry Crossword Puzzle
Across
- 3. number The sum of the number of protons and neutrons in an atom's nucleus.
- 4. number The number of protons in the nucleus of an atom.
- 7. Ratio A conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles
- 8. Number Number of representative particles in a mole, 6.02 X 10^23
- 9. Yield The amount of product that actually forms when the reaction is carried out in the laboratory
- 10. shows the number of atoms of an element in one molecule of a substance
- 11. atom with the same number of protons but different number of neutrons
- 13. Formula A formula with the lowest whole-number ratio of elements in a compound
- 17. Composition The percent by mass of each element in a compound
- 18. Reagent Any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction
Down
- 1. changes changes that alter the form or appearance of a material but not a new substance
- 2. the materials you have at the beginning of a reaction
- 5. Mass The mass of one mole of a substance
- 6. The portion of chemistry involving the calculation of quantities of substances involved in chemical reactions (and numerical relationships in chemical reactions)
- 12. general term for a specific isotope of an element
- 14. the materials you have at the end of a reaction
- 15. changes a change to matter that produces a new substance with new properties
- 16. of conservation of mass matter cannot be created or destroyed in a chemical reaction