A color change
The formation of a solid in a previously clear solution
The formation of a gas when you add a substance to a solution
The emission of light
The emission or absorption of heat
WhatisMatter?Matter is anything that occupies space and has mass. It exists in three
different states as in solid, liquid, and gas.
Atomis:the smallest identifiable unit of an element.
Law of Constant composition states that all samples of a given compound have the
sample proportions of their constituent elements.
AChemicalformulaindicatesthatthe elements present in the compound and the relative
DefineAtom:It is the smallest identifiable unit of an element
1.Each element is composed of tiny indestructible particles called atoms.
2.All atoms of a given element have the same mass and other properties t