Chapter 1.1 Flashcards
1
Q
Element
A
A pure substance that contains only one type of atom
2
Q
Atom
A
The smallest part of an element that can still be recognized as that element
3
Q
Compound
A
A pure substance formed when two or more elements combine chemically
4
Q
Dictates how something reacts in a chemical reaction
A
Chemical properties of the substance
5
Q
Properties of a substance such as melting point, density, hardness, electrical conductivity
A
Physical properties
6
Q
The four state symbols
A
(s) = solid
(l) = liquid
(g) = gas
(aq) = aqueous
7
Q
Mixture
A
Contains two or more substances mixed together
8
Q
Homogenous mixture
A
Has the same composition throughout the mixture and consists of only one phase
9
Q
Heterogeneous mixture
A
Does not have uniform composition and consists of separate phases
