Atoms
Subatomic particles
Periodic table
Periodic Table Groups
Periodic Table Trends
The Law of Conservation of Mass
100
The smallest particle of matter that cannot be broken down by chemical means.
What is an Atom?
100
What are all 3 subatomic particles.
Protons, electrons, neutrons.
100
What are the columns in the periodic table called?
Groups
100
What group contains the most active metals?
Alkali metals- Group 1
100
Name a metalloid.
B, Si, Ge, As, Sb, Te, At
100
What law states, matter can not be created or destroyed.
What is the Law of Conservation of Mass
200
A substance that contains only one type of atom.
What is an Element?
200
Which particles are positively charged?
Protons.
200
What are the rows in a periodic table called?
Periods
200
What is the name of group 2?
Alkaline Earth Metals
200
What has a high melting point and is a good conductor of heat and electricity?
What are metals?
200
How many atoms are pictured:
18
300
What does the nucleus of an Atom contain?
Protons and Neutrons
300
What makes up the mass of the atom.
Protons and Neutrons
300
How are elements organised in the periodic table?
Atomic Number
300
The elements in group 1 frequently bond with elements from which group?
Group 17
300
What has a low melting point and is a poor conductor of heat and electricity?
What are non-metals?
300
Does this equation abide by the LOCOM?
No- unbalanced
400
How are ions created?
Adding or removing electrons
400
What is considered a full outer shell?
2 or 8
400
What does the period number determine?
Number of electron shells
400
How many electrons are in the outer shell of the elements of Group 16?
6 electrons
400
What happens to the atomic radius when you go down a group?
Atomic radius increases
400
What does the mass of the products equal? 
The mass of the reactants
500
What are atoms with different number of neutrons called?
Isotopes
500
The electrons in the outermost shell.
What are valence electrons?
500
What element has 3 shells and 8 valence electrons?
Argon
500
Why are the elements in group 18 called noble gases or inert gases?
They have a full valence shell.
500
What is THE most reactive metal on the periodic table?
Francium
500
Complete this problem.
36 grams