COPPER hopper
Can a metalloid have properties of metals and nonmetals?
yes
What is thermal energy?
Heat
What two wars are elements on the period table arranged?
1. Grouped together by their properties
2. By metals, non-metals, and metalloids
What is a chemical change
A change in matter that produces one or more new substances
Most of the period table is made of what?
Metals
What is a precipitate?
A solid formed from two solids reacting in a chemical change.
What are the 4 evidences of a chemical change?
1. Color Change
2. Production of a gas
3. Change in thermal energy
4. Formation of a precipitate
Sugar when it is burnt becomes black, what is the evidence of a chemical change?
Color change