Unit 1
Calculate the density of an object if its mass is 5g less than 10g and its volume is 3ml greater than 3ml
.8 g/mL
Write out the symbolic notation for a particle with 17 protons, 18 neutrons, and 18 electrons
1735Cl1-
What charge do ions from the Alkali metals tend to form?
+1
I estimate Shaquille O'Neal's (with two apostrophes) height to be 80 inches (6 foot 8). His actual height is 85 inches (7 foot 1). What was my percent error?
5.9% error
Was the third day of school an orange day or a blue day?
2nd day - Blue
3rd day - Orange
Measure the water in the provided graduated cylinder with the correct amount of precision
A correct answer will accurately measure the water with the correct level of precision
Who was the scientist that conducted the gold foil experiment? What did they discover?
Need both parts to get the question right
Rutherford
Atomic nucleus
Rank the following atoms from smallest to largest atomic radius:
Potassium (K) Antimony (Sb)
Lead (Pb) Oxygen (O)
Oxygen, Antimony, Lead, Potassium
Even though potassium has fewer energy levels, it has a large atomic radius because it has a relatively weak nucleus
What are the seven diatomic elements?
Hydrogen Nitrogen Fluorine Oxygen Iodine Chlorine Bromine
Have No Fear Of Ice Cold Bears
What is it called when a solid turns directly into a gas?
Sublimation
Name three pieces of common lab equipment and their function
Any correct three
Calculate the average atomic mass for the following element:
Vibranium-150 10%
Vibranium-157 13%
Vibranium-163 77%
160.92 amu or g/mol
What sublevels can exist in the third energy level?
S, P, D
What is an isotope?
Some variation of: Isotopes have the same number of protons, but a different number of neutrons
Which animal is the unofficial mascot for chemistry?
To get points, you must explain why.
The mole! Avogadro's number = 6.02x1023 atoms/mole
Convert 10 ft2 into in2
1,440 in2
97251Bk
Write out the noble gas configuration for Neodynium (Nd), atomic number 60
[Xe] 6s2 4f3
The half life of a radioactive donut is 30 minutes. If the donut initially weighs 500g, how much will remain after 4 hours?
1.95g
Write a haiku about an element of your choice.
Remember, haikus follow a 5-7-5 syllable pattern
Oh, rubidium
your name starts with the letter
that comes after "Q"
How many seconds are there in 30 years and 1 day? (Ignore leap years)
946,166,400 seconds
Send up five representatives from your group to model an atom. Explain what everyone represents and which part of the atom they are in.
Proton, Neutron, and Electron appropriately placed
Write out what the quantum numbers could be for an electron in the 2p orbital
N - ? L - ?
mL - ? ms - ?
N - 2 L - 1
mL - -1, 0, or 1 ms - +1/2 or -1/2
List the ions in Neon's isoelectronic series in order from smallest to largest
Al3+ Mg2+ Na+ Ne F- O2- N3-
They all have the same number of electrons, so size is determined by how big (strong) the nucleus is
Come up with your best chemistry joke. Choose one team member to share it.
Points awarded if at least one person on the other team laughs.
I told a chemistry joke once. There was no reaction.