Lesson 2.2 Flashcards
1
Q
are forms of matter that have a definite and constant chemical composition
A
Pure substances
2
Q
are pure substances that are composed of only one type of atom
A
Elements
3
Q
They are the simples set of matter
A
Elements
4
Q
are good conductors of heat and electricity. They are generally hand and lustrous.
A
Metals
5
Q
generally exist as gases or solids in nature.
A
Nonmetals
6
Q
either have some properties of metals and some properties of nonmetals or have properties intermediate between those of metals and nonmetals.
A
Metalloids
7
Q
are pure substances that consist of chemically combined atoms
A
Compounds
