CHEMISTRY COMMUNITY

Ani Boyadjian 1A

Who's the best at making bad jokes about Iodine and Americium?
I AM

Ani Boyadjian 1A

OMG I've lost a neutron!
It's ok you can get a new one free of charge.

Ani Boyadjian 1A

What do you call an acid with attitude?
A-mean-oh-acid.

Ani Boyadjian 1A

What happens to nitrogen when the sun rises?
It becomes day-trogen.

Ani Boyadjian 1A

This would occur in an atom with an electron configuration where its (n-1)d orbital contains 4 or 9 electrons. The atom will be more stable if it takes an electron from the (n)s^2 orbital making the (n-1)d orbital contain 5 electrons (half-full) or 10 electrons (full orbital) while (n)s orbital will...

Ani Boyadjian 1A

Electron configurations tell us how many electrons there in total and how many there are in each orbital. Therefore, polarity does not play a factor in determining an atom's electron configuration.

Ani Boyadjian 1A

How did the hipster chemist burn his hand?
He picked up his beaker before it was cool.

Ani Boyadjian 1A

What should you do if no one laughs at your chemistry jokes?
Keep telling them until you get a reaction.

Ani Boyadjian 1A

Two chemists walk into a bar.
One says, "I'll have an ‎H2O." The other says, "I'll have an ‎H2O, too." The second chemist dies.

Ani Boyadjian 1A

It has been discovered that money consists of a yet-to-be- indentified superheavy element. The proposed element name is Un-obtainium.

Ani Boyadjian 1A

What was Avogadro's favorite sport? Golf - because he always got a mole-in-one.

Ani Boyadjian 1A

Why do chemists enjoy working with ammonia? Because it's pretty basic stuff.

Ani Boyadjian 1A

Q: What animal is made up of calcium, nickel and neon?
A: A CaNiNe

Ani Boyadjian 1A

The direction of the spin does not matter as long as you fill in all of the orbitals with the same direction spin first.

Ani Boyadjian 1A

The reason on why electrons are added is to achieve a stable state, therefore noble gases do not need electrons to be added as they are in the most stable due to their complete outer shell.

Ani Boyadjian 1A

Q: According to a chemist, why is the world so diverse? A: Because it's made up of alkynes of people.

Ani Boyadjian 1A

Q: What is a Ochem students favorite kind of plant? A: A chemistree

Ani Boyadjian 1A

According to Hund's rule, every orbital in a sublevel has to be occupied before placing the rest of the leftover electrons. Therefore the p suborbital can hold 6 electrons in total and has 3 orbitals. Since there are 4 electrons that will occupy the p-suborbital, you will each place one electron in ...

Ani Boyadjian 1A

Q: Why are chemists great for solving problems?
A: They always have a solution.

Ani Boyadjian 1A

Chemists never die, they just stop reacting.

Ani Boyadjian 1A

Learning about electrons is exciting. They bring chemistry to a whole new level.

Ani Boyadjian 1A

Did you hear about the man who got cooled to absolute zero?
He's 0K now.

Ani Boyadjian 1A

How often do I tell Chemistry jokes?
Periodically!

Ani Boyadjian 1A

Do we need to memorize the wavelengths and frequencies of different types of electromagnetic radiation (i.e. that 400 nm corresponds with violet visible light etc.) or will we be given a table with the amounts on the test?

Ani Boyadjian 1A

Q: What do you call a tooth in a glass of water?
A: One molar solution.

Ani Boyadjian 1A

For the last line of problem 9, I converted nm to m and used the formula v=c/lambda to get the frequency. However I keep getting 1.2*10^-1 Hz whereas the solution manual says that it's supposed to be 1.2*10^17 Hz. Can somebody help me figure this out please? Thank you!

Ani Boyadjian 1A

There can't be a fraction of an atom and thus you have to multiply the entire reaction by the denominator of the fraction to get all of the stoichiometric coefficients to be whole numbers.

Ani Boyadjian 1A

I would do the calculations to prove that Oxygen is the limiting reactant.

Ani Boyadjian 1A

I first converted both NaCl and KCl to moles, then added them together and finally multiplied by (1/0.1L)

Ani Boyadjian 1A

They have the same rule: for both cases, you would use the least number of sig figs given in any number in the problem to determine how many are needed for your answer. :)
i.e. 2.8*3.48= 9.7 (used two sig figs as the least number of sig figs is two due to 2.8)

CHEMISTRY COMMUNITY

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Test 2 and Wavelengths/ Frequencies Table

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