Show:
chem or physical
equations
Electrons and Neutrons
Reactions
Random
100
burning wood
What is chemical
100
things on the left side of the arrow that start the reaction
What is reactants
100

The charge of an electron

What is negative

100
S- type of reaction, A+B -----> AB
What is synthesis
100
D - type of reaction where AB---> A + B
What is decomposition
200
can be reversed, matter stays the same
What is physical
200
things on the right side of the arrow that are made
What is products
200

The number of neutrons does helium 

What is two?

200

R - type of reaction where AB + C ----> AC + B

What is a single replacement

200

 a large brick and a small brick both made of the same substance and both at room temperature, which one has the highest thermal energy?

Larger brick

300
creates new substances with different properties
What is chemical
300
how much matter is created or destoyed in a reaction
What is none
300

Place sodium electrons on the correct energy levels

level 1: 2

Level 2:8

Level 3: 1

300

DAILY DOUBLE:

reaction that produces heat

What is exothermic

300

3 indications a chemical reaction has occurred

-Gas production 

-Cannot be reversed easily 

-Color changes

-Order

-Formation of a solid

400

Sugar dissolves in water

What is a Physical Change?

400
numbers in front of a chemical symbol that indicate how many of each there are
What is coefficients
400

Place Argon electrons on the correct energy levels

level 1: 2

Level 2:8

Level 3:8

400

 reaction that absorbs or uses heat

What is endothermic

400

Count the number of each element in the chemical formula 

6FeCl2

Fe:6

Cl:12

500

A change in state of matter

what is a physical 

500

DAILY DOUBLE:

what the arrow means in a chemicals reaction 

what is yields or 'goes into'
500

________are formed by gain or loss of an electron from an atom or molecule 

what are ions

500

HCL + NaOH -----> NaCL + HOH is what type of reaction

What is double replacement

500

Count the number of each element in the chemical formula 

Be(NO3)2

Be:1

N:1

O:6