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Periodic table notes
- 2. Periodic Table: Chart that shows various FAMILIES of elements Arranged into ROWS and COLUMNS Rows: across Columns: down
- 3. 3. THREE categories (pieces of information) found on the Periodic Table: Symbol – represents a specific element - Ex. H is what element? -HYDROGEN
- 11. Mass # = protons + Neutrons Ex. H 1 proton + 0 Neutrons = _______ Ex. Li 3 protons + 4 Neutrons = _______ Ex. Al 13 protons + 14 Neutrons = _______
- 12. Mass # = protons + Neutrons How can you find the number of neutrons in Phosphorus? Mass # = ______ #Protons= ______ __________________ # Neutrons=
- 13. Mass # = protons + Neutrons How can you find the number of neutrons in Phosphorus? Mass # = 31 #Protons= 15 __________________ # Neutrons= 16
- 14. 4. Bohr Models a. Model of the atom that shows protons, neutrons, electrons, and energy levels
- 15. 4. Lewis Dot Structures a. Model of the atom that shows the VALENCE electrons of the atom