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

What is the chemical name for symbol Ni?

What is Nickel

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

Ice is an example of water in the ____ state

What is solid?

200
This state of matter has no shape or volume.
What is a gas
200

The atomic number of Carbon.

What is 6?

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 ______ on the periodic table tell us the number of energy shells present in the atom.

What are periods?

300
This is the phase change that occurs when a liquid becomes a solid.
What is freezing
300

The number of protons in Calcium.

What is 20?

300
The charge of an electron.
What is negative.
300
In this reaction, there is a temperature decrease and a gas is produced. (Chem or Phys)
What is a chemical reaction.
300

How do we determine the number of neutrons in an element?

What is subtracting the atomic number from the atomic mass?

400
This is the state of matter in which molecules are the most dense.
What is a solid.
400

The atomic weight of Lithium to the nearest hundredth.

What is 6.94?

400
The charge of a neutron.
What is no charge or neutral.
400
List at least 4 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

Is this equation balanced or unbalanced?

PCl5 + 4 H2O → H3PO4 + 5 HCl

What is Balanced?
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 valence electrons in Oxygen.

What is 6?

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

Balance the following chemical equation


____Ag2O -> ___ Ag + ____O2

What is

_2_Ag2O -> _4_ Ag + _1_O2