Show:
Chemical Reactions
Periodic Table
Solutions
Physics
Miscellaneous
100
What type of reaction is A+B -->C
Synthesis
100
what is the 1st element in the periodic table?
Hydrogen
100
What pH is neutral?
7
100
Distance is...
total path traveled
100
Protons have a ___ charge
Positive
200
What type of reaction is it when one reactant breaks down into multiple products?
Decomposition
200
Where do you find the groups or families in the table of elements?
Vertical columns
200
The solute is the substance that....
dissolves
200
Distance traveled per time is...
Speed
200
Colloids can be detected using the ____
tyndall effect
300
Two compounds as reactants switch partners is a ___ reaction.
Double replacement
300
What are periods?
the horizontal rows of elements in the periodic table
300
Water is usually the substance that...
is the solvent
300
Distance/Speed=
Time
300
What are the 4 states of matter?
solid, liquid, gas, and plasma
400
_Ag(3)+ _(KI)(2) --> _Ag(2)+ _K(2) + _I(3)
2Ag(3)+3(KI)(2) --> 3Ag(2)+ 3K(2) + 2I(3)
400
These are group 18 in the periodic table
Noble gases
400
Solution that holds more than the maximum amount is
Supersaturated
400
Distance=
Speed x Time
400
A force that opposes the motion of an object is called ___
Friction
500
What is the difference between exothermic reactions and endothermic reactions?
Exothermic release energy Endothermic absorb energy
500
What are the first 3 groups in the periodic table?
Alkali Metals, Alkaline Earth Metals, Transition Metals
500
What are the pH of Acids and Bases
0-6.9 Acid 7.1-14 Base
500
the difference between speed and average speed is...
speed=distance traveled per time Av.Speed= TOTAL distance traveled/total time
500
Who is the best Physical Science teacher?
Ms.Lilly