Protons, Neutrons & Electrons
Located in the nucleus of an atom
Protons and Neutrons
They are located in the outer most shell of an atom.
Valence electrons
A Lewis Dot Structure is used to represent this type of electrons
Valence electrons
Borh Model was proposed by this scieentist.
Niels Bohr
Empty Bus Seat rule
Hund´s Rule
Atomic number is equal to the number of
protons and electrons
Number of valence electrons in group 17
7 valence electrons
Lewis Dot Structure for Silicon (Si)
Represent the Bohr model for Sulfur
2 electrons on the 1st circle
8 electrons on the second circle
6 electrons on the 3rd circle
Groups can also be called ...
Families
The charge of a proton
positive
Max number of valence electrons (Octet rule)
8 is the max number of valence electrons
Lewis Dot structure for Nitrogen
5 electrons on 2nd circle
Used to calculate the amount of electrons in an energy level
2n2
Ionic compound is made of these types of elements
Metal and Nonmetal
Number of protons and electrons in Aluminum (Al)
13 protons and 13 electrons
The model or structure we use to represent valence electrons.
Lewis Dot Structure
Max number of electrons a Lewis Dot structure can have
8 electrons max
Value of the energy level closest to the nucleus
n=1
Dinitrogen pentoxide
The number of neutrons palladium (Pd) has
60
This part of the periodic table tells you the amount of valence e of an atom.
Electrons are shared in this type of Lewis Dot Structures bonding
Covalent Bonding
Max number of electrons in n=3
18 electrons max
Isotopes have different amounts of ...
Neutrons