1. 2s 2 2. 2s 2 ? 3. 2s 2 3p 5 4. 2s 2 3p 5 ? 5. 2s 2 3p 5 4p 2 6. See a pattern yet? 2s 2 3p 5 ? 4p 2 7. 2s 2 3p 5 4s 1 4p 2 8. See a pattern yet?What goes here? 2s 2 3p…

Slide 1Unit 3 Notes – Chapter 3 Chemistry 2010-2011 Mr. Nelson Slide 2 Mendeleev Dmitri Mendeleev first organized elements according to atomic mass. He noticed similarities…

Slide 1The Periodic Table Slide 2 How Elements Are Organized In 1865 John Newlands was the first to organize the elements according to properties and increasing atomic mass…

Slide 1 Periodic Table Slide 2 Slide 3 The Periodic Table Historical development of the periodic table: Highlights – Mendeleev (1869): Put the elements into columns according…

Slide 1 Bonding Ionic and covalent Slide 2 Key Terms 1  Chemical formula– the combination of chemical symbols and subscripts to indicate what the elements are in the…

Periodic Table Periodic Table The Periodic Table Historical development of the periodic table: Highlights Mendeleev (1869): Put the elements into columns according to their…