What are the chemical formulas on the LEFT side of a chemical equation called?

What are the chemical formulas on the RIGHT side of a chemical equation called?

What are the small numbers to the bottom-left of an atomic symbol called?

Two clear liquid solutions are combined together, then a white solid precipitate begin falling to the bottom of the solution. This is evidence of a chemical reaction having occurred.

Which is the BEST set of indicators that a chemical reaction has happened?

What is the large number in front of a chemical formula called?

What must be balanced on both sides of a chemical equation?

What is a byproduct of most chemical reactions?

How may atoms of Oxygen are in this formula? (assume that the numbers after each atomic symbol is the subscript for that element) - C2H4O4

How do humans use chemical reactions every day?

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