The electrons in the outer energy level
What are valence electrons?
Subatomic Particle with a negative charge
What is an electron?
The atomic number is equal to this
What is the number of protons (and electrons) an atom of an element has?
Group 17 are called the ____________
Halogens
A subatomic particle with no charge.
What is a neutron?
Columns (up and down) on a periodic table
What are groups?
The maximum number of electrons the 2nd orbital, or energy shell, can hold.
What is 8.
Rows on the periodic table (side to side)
What are periods?
What is 11.
What does the group number on the periodic table tell you about those elements.
What are the number of valence electrons those elements have.
The location of protons and neutrons.
What is inside the nucleus?
Reactivity of an atom with a full outer energy orbital.
What is nonreactive or not reactive at all?
The number of protons in an atom of calcium.
What is 20?
Arsenic (As) has 33 of these.
What are protons and electrons?
The location of electrons.
What is the electron cloud?
The mass number of this atom of oxygen

What is 16?
This group is not reactive at all.
What is group 8A?
How many valence electrons do the Alkali Metals have?
What are 1 valence electron
The subatomic particle with very little mass
What is the electron.
The amount of valence electrons that chlorine has.
What is 7?
The maximum number of electrons the 1st orbital, or energy shell, can hold.
What is 2?
In an ELECTRON DOT DIAGRAM, how many dots would you put around the chemical symbol Ge?
What is 4?
The majority of the elements on the periodic table are this type of element.
What are metals?
When drawing a Bohr Model, how many electron energy orbitals (circles) does Lithium have around its nucleus.
What is 2?
The most reactive groups on the periodic table.
Group 1A and 7A