If its one part magnesium and two parts hydroxide id say 88g of magnesium
False that atom is the smallest identifiable unit of a compound.
The smallest identifiable unit of a compound is the Element. Element is the one which make up the compound and element is made up by atoms. Example of element is oxygen and hydrogen which make up water (H2O) which is a compound.
The frequency of the sound waves travel faster and more effectively in liquids than in air and travel even more effectively in solids.
