What is matter?
Anything that takes up space and has mass.
Which type of matter has a definite shape and volume?
Solid
What subatomic particles make up an atom?

Protons, Neutrons, & Electrons
What are the 2 types of mixtures?
Heterogenous & Homogenous
Elements are classified as either

Metals, Nonmetals, & Metalliods
What are the basic building blocks of matter?
Atoms
Which type of matter has an indefinite shape and volume?
Gas
Which subatomic particle has an positive charge?
Protons
What type of mixture is this?
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Heterogenous
The Atomic Number is equal to
a. the number of neutrons + electrons
b. the number of neutrons
c. the number of protons
c. the number of protons
What are the 3 types of matter?
Solid, Liquid, Gas
Which type of matter has an indefinite shape, but a definite volume?
Liquid
Where are protons and neutrons located in an atom?
Nucleus
What type of mixture is this?
Homogenous
What formula do you use to find the neutrons?
Atomic Mass - Atomic Number(# of Protons)
What is a pure substance?
Matter made up of only 1 type of atom/molecule.
What phase change turns a solid to a liquid?

Melting
What is the charge of an electron?
Negative
Is this a pure substance or a mixture?
Pure Substance
How do you determine the number of valence electrons an element has?

Look for its Group/Family
What is a mixture?
Matter made up of 2 or more types of atoms/molecules.
What phase change turns a gas to a liquid?
Condensation
What makes an atom neutral?

When the number of protons equals the number of electrons
What is another name for a homogenous mixture?
Solution
What do the periods on the periodic table tell you about those elements?
It tells you how many energy levels they have