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How much is a…. Words can be a handy way to talk about numbers, especially if…. Pair Trilogy Gross Score Dozen Octet Quartet Baker’s Dozen Grand. 2 3 144 20 12 8 4 13 1000. They're Really Huge!. Atoms are really small

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## How much is a…

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**How much is a…**Words can be a handy way to talk about numbers, especially if… • Pair • Trilogy • Gross • Score • Dozen • Octet • Quartet • Baker’s Dozen • Grand • 2 • 3 • 144 • 20 • 12 • 8 • 4 • 13 • 1000**They're**Really Huge!**Atoms are really small**• So, whenever there are enough of them that you can see it, that’s a LOT of atoms! • Nobody would want to count them • Chemists talk about groups of atoms called moles**Did you say MOLE?**I’m pretty sure she did…**A mole in Chemistry is just an amount (like dozen)- so**chemists can talk about groups of atoms • It’s 6.02 x 1023**Why 6.02 x 1023, you ask?**• That’s the # amu it takes to make 1g • Sometimes it’s called Avogadro’s number, named after this handsome chap**6.02 x 1023 is awfully big…**• If I gave all of the citizens of the US (about 300 million) 1 mole of dollar bills and everyone spent 100 dollars a second • It would still take 636,000 years for it to be spent! • If you had a mole of pennies and gave away $1 million a day, it would take you more than 3000 years to give away all of your money!**6.02 x 1023 is awfully big…**• The mass of that many animal moles would weigh • More than 1.3 times the mass of the moon • More than 60 times the combined mass of the earth’s oceans**6.02 x 1023 is awfully big…**• If you lined up that many animal moles, they would stretch • From earth to alpha centauri • 2 million times!**6.02 x 1023 is awfully big…**• Avogadro’s number of popcorn kernels would cover the earth with a depth of over 9 miles • Pop cans would cover it 200 miles deep • A mole of basketballs would make a new planet the size of earth**6.02 x 1023 is awfully big…**• If you count 1 number a second, it would take you 11.5 days to count to 1 million • If everyone on the planet collectively counted to 6.02x1023, it would take 2,845,590 years!**Mole Pictures!**• Draw a picture which includes • Mole • Avogadro • 6.02 x 1023 • Get creative and colorful!

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