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Matter
Changes of Matter
Atoms
Elements, Compounds, and Mixtures
Periodic Table
100
Does not have a definite shape nor definite volume.
What is gas.
100
Melting an ice cube is an example of this change in matter.
What is physical change.
100
The middle of an atom.
What is nucleus.
100
Contains many of one type of atom.
What is element.
100

What the rows of the periodic table are called.

What is period?

200
Has a definite shape and volume
What is solid.
200
Baking cookies if an example of the change in matter.
What is chemical change.
200
The subatomic particles found in the nucleus with a positive charge.
What is protons.
200
Has a specific chemical formula.
What is compound.
200

What the columns of the periodic table are called.

What are groups or families.

300
Has a definite volume but not a definite shape.
What is liquid.
300

Water on the outside of your cold water bottle is and example of this change of state.

What is condensation.

300
The subatomic particles found in the nucleus with a neutral charge.
What is neutrons.
300
substances held together by physical forces, not chemical.
What is mixture.
300

The number that describes the number of protons in an element. 

It also helps scientists identify an element. 

What is the atomic number?

400
The measure of the mass of a material in a given volume.
What is density.
400
Dry ice sitting on a counter demonstrates this change of state.
What is sublimation.
400
The subatomic particle with a negative charge.
What is electrons.
400

Skittles are an example of this. 

What is mixture.

400

The number that tells us the total number of protons and neutrons in the nucleus of an atom of an element. 

What is the atomic mass?

500
Anything that has mass and takes up space.
What is matter.
500
A change in which energy is released.
What is exothermic.
500
The atomic number is the same as the amount of the positive subatomic particles.
What is protons.
500

Tungsten is an example of this. 

What is element.

500

The electrons in the outermost energy level that are available for bonding.

What are valence electrons?