Purple
Yellow
Green
Red
Blue
100
The center of an atom.
What is the nucleus.
100
The arrangment of elements by similar properties.
What is the periodic table.
100
The number of protons equals...
What is the atomic number
100
The subatomic particles of the nucleus.
What is protons and neutrons.
100
All elements listed in columns 10-12 are...
What is a metal.
200
A substance made up of only one kind of atom.
What is an element.
200
A substance made up of two or more elements.
What is a compound.
200
In the periodic table elements are arranged by atomic number and ....
What is similar properties.
200
The path an electron travles around a nucleus.
What is an energy level.
200
What is the atomic number for silver?
What is 47.
300
The subatomic particle with a positive charge.
What is a proton.
300
Two or more atoms joined together.
What is a molecule.
300
True or False - Metals are good insulators.
What is false.
300
How many atoms of oxygen are in the formula H2O?
What is one.
300
What is the chemical symbol for silver?
What is Ag.
400
The smallest unit of an element with all the properties of that element.
What is an atom.
400
A subatomic particle with a negative charge.
What is an electron.
400
What is the formula for 2 hydrogen, 1 carbon, and 3 oxygen atoms?
What is H2CO3.
400
How many total atoms are in the formula H2O?
What is three.
400
Atoms of two or more elements is a..
What is a compound.
500
The subatomic particle with no charge.
What is a neutron.
500
Atoms are held together by the attraction of..
What is electrons and protons.
500
The subatomic particle that surrounds the nucleus.
What is an electron.
500
Elements of column 18 of the periodic table are...
What is gases.
500
Two or more atoms joined together.
What is a molecule
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