About The Periodic Table
Columns in the periodic table.
What is "18?"
Elements in the same column of the Periodic Table have something in common.
What is "the same number of electrons in the outermost shell?"
Definition of Atomic Number
What is "The number of Protons in the nucleus of the atom?"
The person that developed the periodic table.
Who is "Dmitri Mendeleev?"
Rows in the periodic table.
What is "7?"
The family of elements in the right-most column of the periodic table.
What are "Noble Gases?"
Definition of Protons
What is "A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge?"
The person who MODERNIZED the periodic table.
Who is "Henry D. Hubbard?"
The atomic number of an atom is the number of ______ in the atoms nucleus.
What are "Protons?"
Elements in the Periodic Table and listed in order from _________.
What is "atomic number?"
Definition of Electron
What is "A stable subatomic particle with a charge of negative electricity?"
Number of elements on the periodic table.
What is "118"?
List ONE type of metal.
What are: "Alkali Metals; Alkaline Earth Metals; Lanthanoids; Actinoids?"
Abbreviation for the element "Gold".
What is "Au?"
Definition of Atomic Mass
What is "the mass of an atom of a chemical element expressed in atomic mass units?"
Definition of a Chemical Compound.
What is "Something composed of two or more separate elements; a mixture?"
The most common example of a non-metal.
What are "Noble Gases?"
The abbreviation used in the periodic table for Hydrogen.
What is "H?"
Difference between Atomic Weight and Atomic Mass
What is "Atomic mass is the mass of an atom. The mass is unequivocal (won't change). Atomic weight is a weighted average of the mass of all the atoms of an element, based on the abundance of isotopes?"
Formula for Sodium Chloride.
What is "NaCl?"