Atomic mass - Atomic number
What is the formula for finding the neutrons of an atom?

What are Bohr diagrams.
A subatomic particle with no charge.
What is a neutron
What are the number of neutrons for Arsenic (As)
What is 42.
The maximum number of electrons the 1st orbital, or energy shell, can hold.
What is 2?
Rows on the periodic table.
What are periods?
An atom with a completely full outer most (valence) energy level is this.
What is nonreactive or noble gases?
A part of an atom with a negative charge
What is an electron
The majority of the elements on the periodic table are this.
What are metals
Tiny particles that make up all matter.
What are atoms?
Columns on a periodic table
What are groups?
The maximum number of electrons the 2nd orbital, or energy shell, can hold.
What is 8.
A part of an atom with a positive charge
What is a proton
The modern periodic table is organized according to this.
What are by increasing atomic number
Elements in the same group share this.
What are the same number of valence electrons
The atomic number tells you
What is the number of protons (and electrons) an atom of an element has?
The electrons in the outermost energy level
What are valence electrons?
The location of protons and neutrons.
What is inside the nucleus
Arsenic (As) has 33 of these.
What are protons and electron
The three classes of elements are these.
What are metals, metalloids, and nonmetals?
Found on the farthest right of the periodic table.
What are nonmetals?
How many valence electrons does Carbon have?
What is 4 valence electrons
What is the location of electrons?
What is outside the nucleus, energy levels, energy shell, electron cloud
What are valence electrons?
Located on the right side of the zigzag line.
What are nonmetals?