Definition of a valence electron
What is the outer electrons in the last energy level of an atom
Definition of atomic mass
What is the average mass of all isotopes in that element
The direction in which groups are organized
What is horizontal
This make an element happy
What is a full outer shell
Where reactants are found
What is the beginning of a reaction
Valence electrons determine...
What is an elements reactivity
Definition of atomic number
What is the number of protons in that atom
The direction in which periods are organized
What is vertical
That the dots in a Lewis Dot Diagram represent
What is the number of valence electrons in that atom
Where products are found
What is the end of a reaction
The two types of particles within an atoms nucleus
What is protons and neutrons
Atomic mass location
What is the top right of an element’s description box
The type of charge metals have
What is positive
What a covalent bond needs to form
What is a lot of energy
Definition of the Law of Conservation of Mass
What is for any closed system, the mass must remain the same from the beginning to the end of the reaction
How to find the number of neutrons in an atom
What is subtracting the atomic number from the mass number
Atomic number location
What is the top left of an element’s description box
The type of charge nonmetals have
What is negative
The two groups that don’t typically use ionic bonds
What is group 4 and 5
The reaction that releases energy through light or heat
What is exothermic
The only particle with a different AMU from the other two particles
What is electron (.0005 AMU)
In an elements symbol, this is the only capitalized letter
What is the first letter
The groups in which noble gases are found
What is group 0(8)
The difference between ionic bonds and covalent bonds
What is ionic bonds transfer electrons whereas covalent bonds share electrons
The type of reaction that absorbs energy from its surroundings
What is endothermic