Chapter 7 Lesson 5 Compounds Flashcards
1
Q
Chemical Change
A
A change that causes a new kind of matter to form with different properties.
2
Q
Compound
A
A substance formed by the chemical combination of 2 or more elements held together by chemical bonds that cannot be separated by physical means.
3
Q
Chemical Formulas
A
A way to write a compound’s name using symbols.
4
Q
Subscript
A
A number in a chemical formula that tells how many atoms of an element are in the compound.
5
Q
Hydrocarbon
A
A combination made of ONLY hydrogen and carbon.
6
Q
Polymers
A
A large molecule that is made up of repeating subunits connected to each other by chemical bonds.
7
Q
Molecules
A
A combination of 2 or more atoms.
