뒤로Classification of Matter - General Chemistry
01:34
이 집합의 용어 (20)
Chemistry is the study of matter and the changes it undergoes, with the atom being its basic functional unit.
Matter is anything that occupies space and has mass.
Elements, compounds, and mixtures.
An element is the simplest type of matter composed of only one kind of atom.
A compound is matter composed of two or more different elements chemically bonded together.
A mixture is matter composed of elements and/or compounds physically mixed together.
Compounds can only be broken down by chemical means.
No, gasoline is a mixture, not a pure substance.
No, both elements and compounds are pure substances.
Milk is an example of a homogeneous mixture.
No, concrete is a heterogeneous mixture.
A mixture with a uniform composition throughout.
A mixture with a variable composition and non-uniform appearance.
Soda is a homogeneous mixture.
Coffee is a homogeneous mixture.
Ammonia is a compound.
A gold bar is an element.
Orange juice is a mixture.
Wine is a mixture.
Saline solution is a mixture.