Matter that always has exactly the same composition
an arrangement or putting together of parts
the stuff of which an object consists
any substance that cannot be broken down into simpler substances, consisting entirely of one type of atom
the smallest particle of an element
68 F ; 20 C
the abbreviation of an elements name; 1 or 2 letters, first letter is always capitalized, second is never capitalized
substance that is made from two or more simpler substances, and can be broken down into those simpler substances.
A compound always contains two or more elements joined in a ___________ proportion.
a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
a chemical found in hot peppers that stimulates pain receptors
a type of mixture in which the parts of the mixture are noticeably different from one another
the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another
Based on the size of its ________________ particles, a mixture can be classified as a solution, suspension, or a colloid.
a homogeneous mixture of two or more substances that are dissolved together
a heterogeneous mixture that separates into layers over time
contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension