Notes
The Modern Periodic Table. The Periodic Law Mendeleev's periodic law stated that the properties of the elements vary periodically with their atomic masses.
Periodic Table Atomic number definition, etc.. Warm-up: In your notebooks, write today’s date, the following question, and the answer to the following.
Hydrogen is a NONMETAL despite its placement on the left hand side of the P.Table. Metals-Left of “staircase” Nonmetals-Right of “staircase” Alkali.
Periodic Table
