The electrons in the outer energy level
What are valence electrons?
Subatomic Particle with a negative charge
What is an electron?
What is the number of protons (and electrons) an atom of an element has?
Atomic Number
Atomic mass - Atomic number
What is the formula for finding the neutrons of an atom?
A subatomic particle with no charge.
What is a neutron?
The location of protons and neutrons.
What is inside the nucleus?
This is an element with full valence shell, very unreactive.
What is a Noble Gas?
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?
Columns (up and down) on a periodic table
What are groups?
The maximum number of valence electrons.
What is 8.
Rows on the periodic table (side to side)
What are periods?
What is 11.
Elements in the same group share this.
What are the same number of valence electrons
This is a type of element that has many valence electrons, not a conductor.
(metal, nonmetal, metalloid)
What is Nonmetal?
Subatomic particle with a positive charge
What is a proton?
The majority of the elements on the periodic table are this.
What are metals?
What family is Florine located in?
Halogens
What family is Silicon in?
Metalloids
The mass number of this atom of oxygen
What is 16?
This is a substance that cannot be broken down further by chemical means.
(molecule, element, proton)
What is an Element?
Elements in group 1 have only 1 valence electron and are considered this.
What are Alkali Metals?
The subatomic particle with no mass
What is the electron.
The amount of valence electrons that chlorine has.
What is 7?