Elements compounds and mixtures Flashcards
1
Q
what is element
A
it is a pure substance that cannot be broken down into 2 or more simpler substances by chemical processes
2
Q
molecule
A
group of 2 or more elements chemically combined
3
Q
compound
A
a pure substance containing 2 or more elements chemically combined in a fixed ratio
4
Q
mixtures
A
made up of 2 or more substances that are not chemically combined
