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Atoms
Elements
Periodic Table
Chemical Equations
Miscellaneous
100
Positive Charge
What is the charge of a proton?
100
Definition of an element
What is a pure substance that cannot be broken down into a simpler substance?
100
The periodic table is arranged by...
What is atomic number, number of electrons, and similar characteristics?
100
H2O
What is Water?
100
CO2
What is Carbon Dioxide?
200
Negative Charge
What is the charge of an electron?
200
We use this to identify an element
What is the number of protons
200
The group number can be used to tell us....
What is the number of valence electrons?
200
C6H12O6
What is glucose?
200
Elements that are along a zig-zag line
What are metalloids?
300
The subatomic particles of the nucleus
What are the protons and neutrons?
300
The way to find the atomic mass of an atom.
What is adding the protons and the neutrons?
300
The period number can tell us...
What is the number of energy levels?
300
Number that goes in back of a chemical symbol
What is a subscript?
300
Number that goes in front of a molecule or compund
What is a coefficient?
400
The majority of the mass of an atom.
What is the nucleus?
400
Copper has 29 Protons and the atomic mass is 64, the number of neutrons are ______
What is 35 neutrons?
400
Describe 2 things about the elements that are in Group 18.
What are the noble gases with their last energy level completely filled in?
400
Definition of Conservation of Mass
What is matter is neither created or destroyed, it is only changed?
500
The majority of the volume of an atom.
What is the electron cloud?
500
The charge of an atom with an extra electron than it's neutral atom.
What is a negative charge?
500
Elements that react violently with water
What is Group 1, Alkali Metals
500
Creator of first periodic table
Who is Dmitri Mendeleev?