WARM UP 1.Explain, in your own words, what each of the 4 quantum numbers means. 2.Write an e- configuration for gold, using any form you want. 3.List all.

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WARM UP 1.Explain, in your own words, what each of the 4 quantum numbers means. 2.Write an e- configuration for gold, using any form you want. 3.List all the elements we’ve learned that begin with a vowel.

Periodic Table Chem II

Element Information

Groupings Lanthanides Actinides s p f d Main Group Transition Elements

Numbering Systems Periods – 1-7, downward Groups – 1-18, left to right

Group Names Group 1 – Alkali Metals Group 2 – Alkali Earth Metals Group 13 – Boron Group Group 14 – Carbon Group Group 15 – Nitrogen Group Group 16 – Oxygen Group Group 17 – Halogens Group 18 – Noble Gases

Periodic Trends NameLeft to RightTop to Bottom Effective Nuclear Charge IncreasesDecreases Atomic RadiusDecreasesIncreases Ionization EnergyIncreasesDecreases Electron AffinityIncreasesStable

Periodic Trends

History and Development Triads – Johann Dobereiner – Similar properties and masses Law of Octaves – John Newlands – 8 th repeating

History and Development Lothar Meyer and Dmitri Mendeleev – Periodic table – Atomic mass Henry Moseley – Atomic number

WRAP UP Explain why Dobereiner put elements into Triads. Which one of the following elements has both a low ionization energy and a positive electron affinity? a. Kb. Nec. Brd. Fee. N

WARM UP What is a representative/main group element? Give three examples of main group elements. Give two examples of transition elements. Give one example of a lanthanide.

WRAP UP Name an element that has a very low electron affinity. Name an element that is very large in size. Name an element with a very large effective nuclear charge.

WARM UP Pick up the Flame Tests lab handout, and begin your pre-lab on a new piece of lab or notebook paper.

WARM UP “One important key to success is self- confidence. An important key to self confidence is preparation.” –Arthur Ashe 1.Do you agree with this? Do you feel more confident when you are prepared? 2.How can you apply this to Chemistry?

WRAP UP “Average is as close to the bottom as it is to the top.” 1) What does this mean to you? 2) How can you apply this quote to school?

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