A. The number of atoms on the reactant side equals the number of atoms on the product side.
Cohesion, Adhesion and high surface tension.
The one whose molar mass is smaller than sodium.
Fluorine is 19 g
Chlorine= 35.5 g
Bromine= 80 g
so in sodium fluoride, the percent of sodium is the largest.
Answer:
(C) A metal rail rusting Is an example of chemical change.
Explanation:
When a chemical change takes a place a new substance is formed.
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