Subatomic Particles
Classification of Element
Properties of Matter
Periodic Table
Essential Skills Review
100
Atoms are made up of these subatomic particles.
What is a neutron, proton, electron?
100
This is the only element in the periodic table that does not belong to a family.
What is Hydrogen?
100
These are found on the periodic table.
What are elements?
100
The element, Potassium, has this as its symbol.
What is K?
100
The formula to calculate density.
What is mass divided by volume?
200
The charges for the subatomic particles are this.
What is a neutron is zero (neutral)? What is a proton is positive? What is an electron is negative?
200
These elements are highly reactive and neighbors of the noble gases.
What are halogens?
200
Water is an example of this.
What is a compound?
200
The middle section of the periodic table is made up of this family of elements.
What are transition metals?
200
The number of correct significant figures in 1.000 kg.
What are 4 significant figures?
300
If the atomic mass of a neutral element is 40 with 20 neutrons, how many electrons does it have?
What is 20?
300
These elements are used to make computer chips.
What are semiconductors?
300
Baking a cake is an example of this.
What is a chemical change?
300
This section of the periodic table has a family that is non-reactive.
What is the right side?
300
The following values can be described as this: 0.0010 g 0.00099 g 0.0011 g
What is precise?
400
The electrons can behave both like this and that.
What is a wave and particle?
400
Many of these types of elements are found in air.
What are non-metals?
400
A mixture of a glass of tea and sugar can be separated by this.
What is evaporation?
400
These two neighboring families follow a stair step (zig-zag) division.
What are non-metals and metalloids?
400
10,000 grams is the same as this many kilograms.
What are 10 kilograms?
500
If an element has a mass number of 24 with 12 neutrons and a charge of +2, it has this many electrons.
What are 10 electrons?
500
These elements are highly reactive with air and water.
What are alkaline metals?
500
A student wants to test a sample to identify it as a metal or non-metal. Explain a test he can conduct to definitely identify it.
What is conductivity?
500
The rows of the periodic table are called these and the columns of the periodic table are called those.
What periods and groups?
500
This is an explanation of what happens in nature in terms of patterns or relationships.
What is a law?
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