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Williamsburg High School for Architecture and Design

Redefining Career & Technical Education in New York City Since 2009

You are here: Home / Teacher Posts / Unit 3: Commence!

Unit 3: Commence!

October 28, 2013 By Ms. Bruno

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The big question on everybody’s mind for the last few weeks has been: “What’s the deal with the periodic table?”  Or at least, it should have been.  Starting today, we kicked of Unit 3: Periodicity.  Even though it is one of the shortest and easiest units this year, it is also one of the most important.

Today we eased into things with a veritable deluge of periodic properties!  It may seem overwhelming, but the big picture is about to come together.

In (class) period 5, David brought up some good points:

  • Why does having more valence electrons make an atom smaller?
  • Why does having more valence electrons make it harder to steal electrons?
  • Why does having more valence electrons make it easier to add more?

The answer to all of these questions will be revealed in the next two days.

Aim: How is the periodic table organized?

Homework: Post-lab questions from Thursday’s lab.  If you don’t have them, make sure you get a makeup copy.

Presentation: [gview file=”https://www.whsad.org/wp-content/uploads/2013/10/Periodicity-Part-1.pptx”]

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About Ms. Bruno

Ms. Bruno has been an Assistant Principal at Williamsburg High School for Architecture and Design since 2009. She oversees the departments of Science, Mathematics, Architecture and Design (Career and Technical Education (CTE)), Physical Education and Health. She can be reached at 718-388-1260 ext. 2080, or bruno@whsad.org.

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