The Periodic Table. YOU WILL WRITE WHAT IS RED INTO YOUR NOTES. Why is the Periodic Table important?. The periodic table is the most useful tool to a chemist. It allows predictions about how a substance or element will react.
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YOU WILL WRITE WHAT IS RED INTO YOUR NOTES
Put elements in rows by increasing atomic weight.
Put elements in columns by the way they reacted.
He left blank spaces for what he said were undiscovered elements. (Turned out he was right!)
He broke the pattern of increasing atomic weight to keep similar reacting elements together.Dmitri Mendeleev:Father of the Table Mendeleev video
Colour Hydrogen Brown on your P.T.
Brainiacs Alkali Metals Video
Colour the Alkali Family Blue
Video Start at 35s
Colour the Alkaline Earth Family Grey
Colour the Boron Family Purple
Colour the Carbon Family Red
Colour the Nitrogen Family Orange
Leave the Oxygen Family White
Colour the Noble Family Yellow
The Noble Gases(8 Valance e-, except He with 2 valence e-)
Colour the Noble Gas Family Green
Molecules are MULTI-ATOM particles.
Simple Bonding video 15 sec
2 Hydrogen Atoms 1 Oxygen Atoms
1) NaBr ______________
2) CaO ______________
3) Li2S _______________
4) MgBr2 _____________
5) NO2 ______________
6) SO3 _______________
7) N2S _______________
8) PH3 _______________
9) BF3 _______________
10) P2Br4 _____________
11) CO ___________
12) SiO2 __________
13) SF6 ___________
14) NH3 ___________
15) C6H12O6 ___________
16) Be(OH)2 ___________Name the Elements in the Molecule
1a) What are the 7 Alkali Metals that will easily bond with Fluorine?
Lithium, Sodium, Potassium, Rubidium, Cesium, Francium
b) What other elements in the Halogen Family with bond with any of the Alkali Metals?
Chlorine, Bromine, Iodine and Astatine
c) Will any of the Elements in the Alkaline Earth Metals bond with any of the Halogens? Explain.
Because all of the A.E.M.s have 2 valence electrons, any two of the halogens would bond with any of them.