Answer:
a thing that is composed of two or more separate elements ex. Acid and Water
Answer:
A water molecule is consists of two hydrogen atom, each bound to the central oxygen atom through a covalent chemical bond.
Water molecules can form new molecules by moving away from their H-O-H configuration due to thermal motions and rotations. <u>Thermal motions and rotations break the individual hydrogen bonds and change the H-O-H configuration influenced by the temperature and pressure.</u>
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What is the mole ratio of  to Fe? if oxygen it is 4:3 Fe3O4