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1. Chemistry is the study of the composition, structure and properties of substances.- F?

21. Which is found in the nucleus-- Protons or neutrons?

27. Copper metal is:
a. poor conductors
b. brittle
c. malleable

44. What is the charge on most polyatomic ions? - Negative


  • Chemistry - ,

    21. both are found in the nucleus.
    1. Look at your text on the definition of chem. I always included reactions and changes.

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