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Matter
Atoms and Molecules
Mixtures & Compunds
Periodic Table
States of Matter
100
Atoms of the same element that have a different number of neutrons are called?
What are isotopes?
100
What makes up an atom?
The 3 subatomic particles and shells.
100
Two or more elements that are chemically combined and cannot be separated.
What is a compound?
100
There are seven of these on the periodic table.
What are periods?
100
Which state of matter lives in extreme heat?
Plasma
200
The amount of matter in an object.
What is mass?
200
How do you determine the atomic mass of an element?
By rounding the atomic weight
200
Two or more substances that physically combined and can be separated.
What is a mixture?
200
There are 18 of these.
What are groups?
200
This state of matter has a definite shape and volume.
What is a solid?
300

A liquid to a gas is the process of?

A gas to a liquid is the process of?

What is evaporation (to gas)

What is condensation (to liquid)?

300
Protons, neutrons and electrons are known as what type of particles?
What are subatomic particles?
300
The two kinds of mixtures are...
What are Heterogeneous and Homogeneous?
300

Approximately how many elements are on the Periodic Table?

118
300
This state of matter does not have a definite shape or volume.
What is a gas?
400
Flammability and rusting are characteristics of....
What are chemical properties?
400

How do you calculate the number of neutrons in an element?

By subtracting the atomic number and the atomic mass.

400
What is the formula for density?
What is mass divided by volume?
400

From top to bottom, what is in an element box?

Atomic # Chemical Symbol Element Name Atomic Weight

400
This state of matter has a definite volume but not a definite shape.
What is a liquid?
500
Melting and boiling are characteristics of which property?
Physical.
500
How many electrons can each shell of an atom hold?
2, 8, 18, 32
500
The difference between heterogeneous and homogeneous mixtures is....
Homogeneous mixtures contents or substances are evenly distributed throughout and heterogeneous contents are not evenly distributed.
500
What are the 7 families of the Periodic Table?
Alkali Metals, Alkali Earth Metals, Nonmetals, Metals, Metalloids, Halogens, Noble Gases
500
What is the Law of Conservation of Matter?
Matter cannot be created nor destroyed, it only changes into a different form.