Elements, Compounds and Mixtures Flashcards
1
Q
What is a COMPOUND?
A
A COMPOUND is a substance that contains atoms of two or more different elements chemically BONDED TOGETHER.
2
Q
What are the indicators of CHEMICAL reactions?
A
-Colour Change
-Effervescence (Production of Gas)
-Precipitation (Production of a Solid)
-Condensation (Production of a Liquid)
-Chemiluminescence (Production of Light)
-Change in Temperature
3
Q
What is a MIXTURE?
A
A mixture is a material made up of two or more different chemical substances which are NOT chemically bonded.
4
Q
What is an ELEMENT?
A
An element is a substance in it’s purest form.