Everything
You
Need
To
Know
100
A change in matter that produces new substances is called a _____________________?
What is chemical change
100
Iron rusting is an example of what kind of change?
What is a chemical change
100
Electrons have this type of charge
What is a positive charge
100
What does H stand for on the periodic table?
What is Hydrogen
100
This is a measure of the acidity or alkalinity of a solution. (acids or bases)
What is pH
200
A ______________________ is an example of a homogenous mixture that is very evenly mixed.
What is a solution
200
Water freezing is an example of what type of change?
What is a physical change
200
Neutrons have this type of charge.
What is a neutral charge
200
What does C stand for on the periodic table?
What is Carbon
200
The quality of being easily ignited and burning rapidly
What is flammability
300
A measurement of the amount of matter in an object is its _________________?
What is mass
300
This can be seperated & it keeps its own properties.
What is a mixture
300
Electrons have this type of charge
What is a negative charge
300
What does Na stand for on the periodic table?
What is sodium
300
The change in state from a liquid to a solid.
What is freezing point
400
A pure substance that cannot be broken down into any other substances by chemical means is called a _____________?
What is an element
400
Two or more atoms joined together chemically. Elements can be the same or different.
What are molecules
400
Name the parts of the center of a nucleus.
What are protons & neutrons
400
What does Cl stand for on the periodic table?
What is Chlorine
400
The addition of oxygen to a compound with a loss of electrons.
What is oxidation
500
The building blocks of matter are called?
What are atoms
500
Name 3 examples of physical properties of matter.
What are color, texture, flexability, freezing/boiling points
500
How many electrons can fit in the first energy level around the nucleus?
What are 2 electons
500
What does Li stand for on the periodic table?
What is Lithium
500
Anything that has mass and occupies space.
What is matter
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