What Are We Doing Today? QOD Continuing with the Mole & some notes Video on Mole Practice Problems Get back assignment Away Thur/Fri, but you are still.

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The Mole Q: how long would it take to spend a mole of $1 coins if they were being spent at a rate of 1 billion per second?

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Presentation transcript:

What Are We Doing Today? QOD Continuing with the Mole & some notes Video on Mole Practice Problems Get back assignment Away Thur/Fri, but you are still responsible

The Mole Q: how long would it take to spend a mole of $1 coins if they were being spent at a rate of 1 billion per second?

Mollionaire Q: how long would it take to spend a mole of $1 coins if they were being spent at a rate of 1 billion per second? A: $ 6.02 x / $ = 6.02 x payments = 6.02 x seconds 6.02 x seconds / 60 = x minutes x minutes / 60 = x hours x hours / 24 = x 10 9 days x 10 9 days / = x 10 7 years A: It would take 19 million years

Quiz Make sure to sit away from anyone else You need a pencil or pen Close your books & notes Make sure you put your name on the quiz When you are finished, put your hand up and I will come and collect your quiz.

Recycling Jobs How did they go? Any problems?

APES (explained)

Atomic Models… (What is the difference) a)Ball & Stick b)Lewis Structure c)Rutherford-Bohr d)Simplified

Ball & Stick Model Draw the ball & stick model for Carbon

Lewis Structure Draw the Lewis model for Carbon

Rutherford-Bohr Model Draw the Ruth-Bohr model for Carbon

Simplified Model p.28 Draw the Simplified model for Carbon

ISOTOPES. What are they? They are different versions of an atom. Isotopes are atoms which have the same atomic number but different mass numbers. They have the same number of protons but different numbers of neutrons.

The number of neutrons in an atom can vary within small limits. For example, there are three kinds of carbon atom 12 C, 13 C and 14 C. They all have the same number of protons, but the number of neutrons varies. PROTONSNEUTRONSMASS NUMBER CARBON CARBON CARBON

Lemon Car Example Lemona GTX -CD player -Brown Car Lemona GT -MP3 Player -Blue Car Lemona S -Red Car -Sunroof

ISOTOPES. What can we use them for? Video: 3do

Metals & Non Metals Lab -Lab tomorrow (Thursday) -What to do before the lab (questions, prep) -What to do in the lab (safety, partner) -What to do after the lab is over (clean up, finish questions, hand in) -Lab (prelab + prelab quiz)

Pop Quiz Review Close your books No helping I will ask random people Good luck

What to do now? Work on prelab for tomorrow