How many atoms of each element are in the following chemical formula
4 Fe(OH)3
Iron
Oxygen
Hydrogen
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Asample of a gaseous substance changes into liquid. this process is called (blank) and it takes place when heat is (blank) a gaseous system

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

What are atoms of the same element with varying number of neutrons