Answer:
a number assigned to an element in chemical combination which represents the number of electrons lost (or gained, if the number is negative), by an atom of that element in the compound
Explanation:
sodium, magnesium, iron is zero.
C. a scientific approach to answering questions
Answer:
light energy
Explanation:
Plants use the energy from the sun to photosynthesize and make food
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By dividing mass with volume, you will end up with density