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States of Matter
Solutions
Atomic Properties
Chemical and Physical Changes
The Periodic Table
200
This state of matter has a definite shape and volume.
What is a solid
200
Define a "solution."
What is a mixture in which a material is dissolved.
200
The subatomic particles (the parts of an atom.)
What are protons, neutrons, and electrons.
200
In this reaction, a solid becomes a liquid when heat energy is added. (Chemical or Physical)
What is a physical reaction.
200
What is the chemical name for symbol Ni?
What is Nickel
400
This is the phase change that occurs when a liquid becomes a solid.
What is freezing
400
2 things that you can do to increase how much of a solid can be dissolved in a solution.
What are stirring, heating, and shaking. Any way that you add energy to the solution.
400
The charge of an electron.
What is negative.
400
In this reaction, there is a temperature decrease and a gas is produced. (Chem or Phys)
What is a chemical reaction.
400
The number of protons in Calcium.
What is 20?
600

This is the phase change when matter goes directly from a gas to a solid.

What is deposition?

600

In this type of mixture is, you can see all of the different parts.

What is a heterogeneous mixture?

600

Atoms share these when they bond.

What are valence electrons?

600
In a chemical reaction, CaOH (calcium hydroxide) and CO2 (carbon dioxide) are _________, CaCO4 (chalk) and H20 (water) are __________. (products, reactants)
What are reactants and products
600
The valence (or electrons available for bonding) in Oxygen.
What is 6?
800
This is the state of matter in which molecules are the most dense.
What is a solid.
800

This is the difference between mixtures and compounds.

What is compounds are chemically bonded, while mixtures are only physically combined.

800
The charge of a neutron.
What is no charge or neutral.
800

List at least 2 indicators of that a chemical change has taken place.

What are color change, gas is produced, smell is produced, the reaction is irreversible, temperature change, or energy is produced.

800
The atomic weight of Lithium to the nearest hundredth.
What is 6.94?
1000

This state of matter has no shape or volume.

What is a gas

1000
This is the difference between a solution and a suspension.
What is a solution has a dissolved substance (solute) and a suspension has a solid that is not dissolved.
1000
The inner part of an atom, composed of protons and neutrons.
What is the nucleus.
1000
In this reaction, a substance changes color and a burning smell is released. (Chem or Phys)
What is a chemical reaction.
1000
The atomic number of Carbon.
What is 6?