Name this: H4C
Recovery for Polyatomic Rules assignment

Quiz
•
Chemistry
•
12th Grade
•
Medium
Stacey Kohler
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
hydrogen chloride
methane
chloric acid
hydrogen carbide
tetrahydrogen carbide
Answer explanation
If you chose hydrogen chloride, there's no l in the formula, that's carbon, not chlorine. If you chose methane, please explain to me how you learned organic chemistry. If you chose chloric acid, where have you ever heard of that? If you chose tetrahydrogen carbide, I can understand that, it's tricky! Hydrogen is in the front, so it's acting like a metal.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name this: H2SO4
hydrogen sulfur oxygen
sulfone
sulfuric acid
hydrogen sulfite
hydrogen sulfate
Answer explanation
If you chose hydrogen sulfur oxygen, nothing in this class has 3 names. As soon as you see the third element, you should look at your polyatomic ion sheet. If you chose sulfuric acid, please explain to me how you learned the acid naming rules and explain them to me. If you chose sulfone when did you study organic chemistry? If you chose hydrogen sulfite, I can understand that, it's tricky! Sulfate is SO4, sulfite is SO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name this: AgNO3
argon nitride
argon nitrate
silver nitrogen oxygen
silver nitrate
argon nitrogen oxygen
Answer explanation
No compound in this class will have three names; as soon as you see the third element, you should go for your polyatomic ion sheet. Ag is silver, not argon - easy mistake to make, but one you have to be aware of!
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name this NH3
ammonium
ammonia
nitrogen hydride
nitrogen trihydride
nitrogen hydrogen
Answer explanation
If you chose ammonium, you're close but no. Ammonium is NH4. If you chose nitrogen hydrogen, remember that the last name always ends in -ide or -ite or -ate. If you chose nitrogen hydride, remember that these are both non-metals, so you need a prefix. If you chose ammonia, you need to start using your brain and your notes instead of google.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
choose the formula for hydrogen peroxide
HO
(H2) (O2)
HO2
H2O2
H2 O2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
choose the formula for sodium bicarbonate
Na2CO3
(Na) (HCO3)
NaHCO3
Na(CO3)2
Na HCO3
Answer explanation
Stop putting spaces in chemical formulas.
Don't use parentheses unless you need multiple copies of a polyatomic ion.
Balance the charges - the charges are listed at the top of the column on the polyatomic ion sheet; you don't have to calculate them. The number of oxygens isn't the charge and it isn't the number of copies of that ion; it's just the number of oxygens in that ion.
Polyatomic ions don't use prefixes, so "bicarbonate" doesn't mean 2 carbonates. It's a separate ion - it's in the -1 column, towards the top.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
choose the formula for beryllium carbonate
Be2CO3
(Be) (CO3)
BeCO3
Be3(CO3)2
Be2(CO3)4
Answer explanation
Stop putting spaces in chemical formulas.
Don't use parentheses unless you need multiple copies of a polyatomic ion.
Balance the charges - the charges are listed at the top of the column on the polyatomic ion sheet; you don't have to calculate them. The number of oxygens isn't the charge and it isn't the number of copies of that ion; it's just the number of oxygens in that ion.
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