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States of Matter
Elements, Compounds, Mixtures
Atomic Properties
Chemical and Physical Changes
The Periodic Table
100
This state of matter has a definite shape and volume.
What is a solid
100

Define a "compound"

What are two elements chemically combined

100
The subatomic particles (the parts of an atom.)
What are protons, neutrons, and electrons.
100

In this reaction, a solid becomes a liquid when heat energy is added. (Chemical or Physical)

What is a physical reaction.

100
What is the chemical name for symbol Ni?
What is Nickel
200
This state of matter has no shape or volume.
What is a gas
200

The pH of water

What is 7

200
The inner part of an atom, composed of protons and neutrons.
What is the nucleus.
200
In this reaction, a substance changes color and a burning smell is released. (Chem or Phys)
What is a chemical reaction.
200
The atomic number of Carbon.
What is 6?
300
This is the phase change that occurs when a liquid becomes a solid.
What is freezing
300

An example of a mixture

Many possible responses 

300

How to calculate the number of neutrons

What is subtract the atomic number from atomic mass

300
In this reaction, there is a temperature decrease and a gas is produced. (Chem or Phys)
What is a chemical reaction.
300
The number of protons in Calcium.
What is 20?
400
This is the state of matter in which molecules are the most dense.
What is a solid.
400

An example of a compound

Many answers

400
The charge of a neutron.
What is no charge or neutral.
400

List at least 2 indicators of a chemical change.

What are color change, gas is produced, smell is produced, the reaction is irreversible, temperature change (without cooling or heating,) electrical energy is produced.

400
The atomic weight of Lithium to the nearest hundredth.
What is 6.94?
500
List the 3 states of matter in order from the lowest to the highest energy level.
What is solid, liquid, gas, (and plasmsa)
500

The smallest unit of matter

What is an atom

500
Atoms share these when they bond.
What are electrons?
500

The compounds that are produced after a chemical reaction (reactants or products)

What are reactants and products

500

The electrons in Oxygen.

What is 8?