Compounds Flashcards
1
Q
Compounds are _____ substances that are made up of _______ elements that are ___________ in a ______.
A
pure, two or more, chemically combined together, fixed ratio
2
Q
Compounds can only be broken down by _________.
A
chemical methods
3
Q
2 chemical methods:________ or _________
A
thermal decomposition, electrolysis
4
Q
Compounds have _______ chemical and physical properties from its constituent elements.
A
different
5
Q
There is usually _____ energy change.[compound]
A
an
