What is the mole ratio of  to Fe? if oxygen it is 4:3 Fe3O4
Frequency = speed of light/ wavelength of photon. wavelength = speed of light/frequency = 3 x 10^8 / 2.43 x 10^8= 1.23m
Answer:A molecule is formed when two or more atoms join together chemically.
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Answer:
rock is the correct answer
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