What element has the following electron configuration 1s2
Helium
What color is liquid oxygen?
Blue
What element is Ca?
Calcium
1 mol of O2 is how many grams?
32 grams
What is the only letter that doesn't appear in the periodic table?
J
What element has the following electron configuration
1s22s22p1
Boron
which has more caffine per gram, tea or coffee
tea
What Element is Sm?
Samarium
2.5 moles of H2O is how many grams?
45.05 g
What chemical is responsible for the burning sensation felt when eating spicy peppers?
Capsaicin
What element has the following configuration?
1s22s22p63s23p6
Argon
What temperature and pressure is required for converting graphite to a diamond?
3000°C and 100,000 atmospheres. That's 10,132,500 kPA, at least 20,000 times more pressure than the pressure than inside the average bike tire!
What element is Ag?
Silver
In this reaction 7 moles of CH4 will yield how many moles of HCl?
CH4 + 4 Cl2 -> CCl4 + 4HCl
28 moles
True or False: Sterling Silver is pure silver
False it contains up to 7.5% copper
What element has the following configuration?
[Ar]4s23d104p3
Arsenic
What does TNT stand for?
Trinitrotoluene
What element is Hg?
Mercury
In this reaction 3.7 moles of O2 will how many moles of P2O5?
P4 +5O2 -> 2P2O5
1.48 moles
If you took all the carbon out of the human body about how many graphite pencils could you make?
around 9000
What element has the following configuration?
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵
Iodine
Approximately how many atoms are in the human body?
7 billion billion billion. That’s 7 followed by 27 0’s
7,000,000,000,000,000,000,000,000,000
What element is Sb?
Antimony
2.8 g of Fe will yield how many g of F2O3 ?
4Fe + 3O2 -> 2F2O3
4 g F2O3
Dynamite contains what food as an ingredient?
Peanuts