Atoms
what is the mass of an atom
The amount of protons
What is reactivity
How much something reacts to another substance.
What direction do periods go
Horizontal
What does valance identify
The chemical reactivity of that element
What is the charge of an atom
The atomic number
What are noble gases?
What direction do groups go
Verticle/up and down
How many valance electrons does suffer have?
6
What is the location of a proton and neuron
In the nucleus
What are valance electrons?
Electrons found in the outer shell of an atom. A
How do you determine an element
The amount of protons
How many valance electrons does Iodine have?
7
What is the location of electrons
In the electron cloud
Identifies an element
What is a proton
What do periods classify
Valance electrons
How many valance electrons does Argon have?
Where is the electron cloud
Around the nucleus
The shell that holds electrons
Energy level
What do groups classify on the periodic table
The type of element
How many valance electrons does Aluminum have?
3