Compounds Flashcards
(7 cards)
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 formula
A
A way to write a compounds name. Using symbols.
4
Q
Subscript
A
A number in a chemical formula that tells how many atoms of a partial elements are in the compound
5
Q
Hydrocarbon
A
A compound made only of hydrogen and carbon
6
Q
Polymers
A
A large molecule that is made up repeating subunits connect to each other by chemical bonds
7
Q
Molecules
A
The combination of 2 or more atoms
