Whats is the charge of a proton?
Postive
What is the charge of a Neutron?
Neutral
What is the charge of an Electron?
Negative
Where are the Valence Electrons found?
Outer shell of the electron cloud
How many groups are there?
18
Where is the Proton located?
Nucleus
Where are the Neutrons found?
Nucleus
Where are the Electrons located?
Electron Cloud
How many Valence Electrons are in the first group?
1
How many periods are there?
7
What is the mass of a Proton?
1 amu
What is the mass of the Neutron?
1 amu
Whats the mass of an Electron?
Less than 1 amu
How many Valence Elctrons (at most) are in the shell?
8
Hwo does the reactivity increase?
By going down the periodic table
How do you know how many Protons are in an atom?
Atomic Number
How do you know how many Neutrons are in an Atom?
Atomic mass - atomic number
How do you know how many Electrons are in an Atom?
Number of Protons
How many Valence Electrons are in group 17?
7
Which way to groups go?
Vertical
Are Protons bigger or smaller than Electrons?
Bigger
Are Neutrons bigger or smaller than Protons?
Same size
Does an Electron affect the Atoms mass?
No
Do Valence Electrons effect the reacticity in an atom?
Yes
What way do periods go?
Horizontal