elements, compounds & mixtures Flashcards
1
Q
Elements
A
Made up of only one type of atom, cannot be broken down into simpler substances by chemical methods
2
Q
Compounds
A
Made up of two or more elements, chemically combined in a fixed composition by mass. Have different properties from its constituent elements
3
Q
Mixtures
A
Made up of two or more substances (elements & compounds) that can be separated by physical methods, have similar chemical properties as its components. Formed with little or no energy change
