Matter
Physical Properties
Chemical Properties
Atoms
The Periodic Table
100
What is anything that has mass and takes up space
Matter
100
What is a physical property?
Properties that can be observed without changing the matter.
100
What is a chemical property?
Properties of matter that need to change in order to see the property.
100
What are the three subatomic particles that make up an atom?
protons, neutrons, and electrons.
100
How is the periodic table arranged?
The periodic table is arranged by increasing atomic numbers
200
What is an element
A substance that cannot be broken into smaller pieces
200
What is density?

A mass per unit volume, Mass / volume, floating or sinking 

200
What is the BEST evidence for a chemical reaction?
The formation of a new substance.
200
What charge does a proton have and where are they found in an atoms?
Protons have a positive charge and are found inside the nucleus of an atom.
200
What is a row called on the periodic table
Periods
300
What is a compound?
Elements that are chemically combined?
300

Substance        Melting Point        Boiling Point

Water                     0                        100 

Ethanol                 -117                     79

Table Salt                807                   1,465 

At which point is Ethanol a gas?


Anything above 79
300
What type of chemical property occurs when two substances combine and the color is changed?
Color change
300
What charge does an neutron have and where are they found in the atom?
Neutrons have a neutral charge and are found inside the nucleus of an atom.
300
What determines the identity of an element?
The atomic number
400
What are mixtures?
Elements and compounds that can be separated.
400
Bromine (Br) is a liquid at room temperature.  Oxygen (O) is a gas at room temperature.  The room temperature is 25. What is true about Bromine (Br) and Oxygen (O)?

A. The boiling point of oxygen is colder than room temperature

B. The boiling point of bromine is colder than room temperature

C. The melitng point of bromine is warmer than room temperature.

The boiling point of bromine is colder than room temperature. 
400
When vinegar is poured onto a piece of chalk and it starts to bubble, what evidence is there that a chemical reaction occurred?
There was a formation of gas.
400
What charge does an electron have and where are they found in an atom?
Electrons have a negative charge and are found outside the nucleus.
400
What is a column called on a periodic table
Group
500
What is the smallest piece of matter is called?
An atom
500
A block of metal has a length of 3 cm, a width of 5 cm, and a height of 10 cm, and a mass of 3,000 grams.  What is the density of the block?

20 g/cm3

500
What does the pH scale measure?
How acidic or basic different types of matter are.
500
Why are protons equal to electrons?
Atoms have a neutral charge and since protons have a positive charge and electrons have a negative charge, they have to be equal to each other.
500
Which element has 17 protons?
Chlorine
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