SCIENCE
What is the Law of Conservation of Matter?
Atoms are rearranged but NOT created or destroyed.
what is a SUBSCRIPT?
small number next to the element
List THREE examples of Chemical Change:
1. color change
2. gas formation
3. precipitate formation (solid from liquid)
4. temperature or light change
5. odor or energy released
what is a COEFFECIENT?
Big number next to the element.
2Nl
what REACTION TYPE is it when two or more simply substances combine to form one complex compound.
SYNTHESIS
EXAMPLE of a Chemical Reaction?
GAS FORMATION
What does an endothermic reaction do?
Absorbs heat
difference between POLYATOMIC ION and an ION?
POLYATOMIC ION: group of atoms that charge as one
ION: one charged atom