Chemical Reactions
Physical & Chemical Change
Periodic Table
100

A chemical substance present at the start of a chemical reaction is called? 

Reactant 

100

burned wood is an example of 

Chemical Change 


100

The periodic table of elements is divided into 3 categories, they are 

Metals, Metalloids and Nonmentals 

200

6CO2 contains

6 carbon atoms, 12 oxygen atoms

200

A change in the size, shape, or state of matter.

Physical change 

200

_____________ refers to the way most metals can be stretched into wires.

Ductile 

300

6CO2 + 6H2O contains how many elements

36

300

Kim puts an ice cube in a beaker and it melts. This is a good example of:

Physical Change 


300

The way a metal’s surface reflects light is called ________________.

Luster

400

Fe2O3 has

2 Iron atoms, 3 oxygen atoms

400

How do you remeber all the signs for chemical changes? 

City, Girls, Love, Their, Phone, On 

400

Metals are found on the ______________ side of the periodic table.

Left 

500

The equation follows law of conservation of mass?
C5H12 + 7O2 → 5CO2 + 6H2O

NO 

500

Is bleaching your hair a physical or chemical change?

Chemical Change

500

Most metals are ____________ at room temperature.

Solid