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Atoms
Elements
Compounds
Periodic Table
Vocabulary
100
This atom has 1 proton and 1 electron
What is hydrogen
100
This element's chemical symbol is AU
What is gold?
100
What makes up a compound?
What are elements or atoms?
100
This is how the periodic table is arranged?
What is by increasing atomic number?
100
A group of atoms held together by chemical means.
What is a molecule?
200
These are the positively charged particles in the nucleus
What are protons?
200
The chemical symbol of this element is Cl
What is Chlorine?
200
Compound are formed and broken through _________ changes.
What is chemical?
200
This is the total number of naturally occurring elements?
What is 92?
200
Two or more different atoms chemically combined.
What is a compound?
300
The overall charge of an atom
What is neutral?
300
The chemical symbol for this element is Na
What is sodium?
300
How many atoms of each element are found in H2O?
What are two hydrogen and 1 oxygen?
300
This is how you determine the number of electrons on the periodic table.
What is the atomic number?
300
A vertical column on the periodic table where elements share chemical properties.
What is a group?
400
Explain how to calculate the neutrons in an atom.
What is subtract the atomic number from the mass number?
400
What does the atomic number of an element tell you?
What is the number of protons in an element?
400
What elements/atoms make up NaOH
What are sodium, oxygen, and hydrogen?
400
This is how the chemical symbol look for each formula on the periodic table.
What is the first letter being capitalized, and the second or third letter lower case?
400
Horizontal rows on the periodic table.
What is a period?
500
These two subatomic particles are located in the nucleus of the atom.
What are neutrons and protons?
500
__________ and ___________ are equal in elements.
What are protons and electrons?
500
What elements/atoms make up NaCl?
What are sodium and chlorine?
500
The way to determine the mass number from the periodic table.
What is rounding the atomic mass or atomic weight to the nearest whole number?
500
The region around the nucleus where electrons are likely to be found.
What is the electron cloud or electron shell?