Periodic Table
Columns of elements on the periodic table are called? There are 18 of them.
Groups
Force that holds two more atoms together
Chemical Bond
Valence Electrons are located in which energy level
Rows of elements on the periodic table are called? There are 6 of them.
Periods
Two or more elements chemically combined
Compound
Outermost electron of an atom that participates in chemical bonding.
Valence Electron
Russian scientist who created the periodic table
Dimitri Mendeleev
Electrons closest to the nucleus of an atom have what kind of energy level?
Low Energy Level
The number of valence electrons can determine the type and number of what?
Bonds
Group 18 of the periodic table is called the
Noble Gases
High Energy Levels
Valence electrons are important to form what
Chemical Bonds
The three types of elements on the periodic table are
Metals, Nonmetals and Metalloids
What are the three particles in an atom and what are their charges?
Protons - positive charge
Neutrons - no charge
Electrons - negative charge
Diagram used to show how many valence electrons an atom has.