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Periodic Table
Scientific Notation
Atoms
Balancing Equations
Use the Periodic Table
100
These are the rows of a periodic table going across.
What is a period?
100
This is 25,000,000 in scientific form.
What is 2.5 x 10
7
?
100
This is the positively charged particle of an atom.
What is a proton?
100
The chemical formula for a plastic milk jug which has two carbon atoms and four hydrogen atoms would be written this way.
What is C
2
H
4
?
100
This element has the symbol Au.
What is gold?
200
These are the columns that go up and down on the periodic table.
What is a group?
200
This is 4,306,000 in scientific notation.
What is 4.306 x 10
6
?
200
This particle of an atom has no charge.
What is a neutron?
200
The element that bottle caps are made of, C
3
H
6
, has this many atoms.
What is 9?
200
This element is in the same period as hydrogen.
What is helium?
300
This person created the periodic table.
Who is Dmitri Mendeleev?
300
This is 987,050,000 in scientific notation.
What is 9.8705 x 10
8
?
300
This is the negatively charged part of the atom.
What is an electron?
300
This is balanced equation for SiO
2
+ C --> Si + CO.
What is SiO
2
+ 2C --> Si + 2CO?
300
This element is in the fifth group and the fourth period on the periodic table.
What is vanadium?
400
This element is a reactive metal that can be found in your bones and teeth.
What is calcium?
400
This is 0.00011 in scientific notation.
What is 1.1 x 10
-4
?
400
This is the center, or core, of an atom.
What is the nucleus?
400
This is the balanced equation for the formula H
2
O
2
--> H
2
0 + O
2
.
What is 2H
2
O
2
--> 2H
2
0 + O
2
?
400
This element has two less protons than calcium.
What is argon?
500
This number is the average atomic mass of all the element's isotopes.
What is the atomic mass number?
500
This is 967.20 in scientific notation.
What is 9.672 x 10
2
?
500
This is the number of protons found in an atom.
What is the atomic number?
500
This is the balanced equation for the formula Al + Fe
2
O
3
-->Al
2
O
3
+ Fe.
What is 2Al + Fe
2
O
3
-->Al
2
O
3
+ 2Fe?
500
This element is the only liquid metal.
What is mercury?