Families of Elements Lecture Notes Periodic Table Alkali Metals- Group 1 Alkali metals have one valence electron which can easily be removed to form a + 1 cation Soft, and…

Atomic Structure Models The Ancient Model Greeks were first to consider the fundamental nature of matter. Cut something in half enough times eventually it becomes a single…

Group 14 Carbon Family Group 14 Carbon Family By: Matt Cardonne & Adam Zylberman Group 14 Elements: Carbon C 1s2 2s2 2p2 or (He) 2s2 2p2 Silicon Si 1s2 2s2 2p6 3s2 3p6…

P-BLOCK ELEMENTS. P-BLOCK ELEMENTS. Lanthanides Actinides Transition metals Alkali Metals Alkaline Earth Metals Halogens Noble Gases Boron Family Carbon Family Nitrogen Family…

Physical Science â Lecture ___ Bell Work What is the difference between protons, neutrons, and electrons? What are the three classes of elements? Physical Science â Lecture…

1. (almost 2,000) 2. • # ofprotons inatom’snucleus•used toidentify Atomic mass numberelement •sum of protons & neutrons 3. isotope-elementwith same #of protons…