- Sep 2017
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chem.libretexts.org chem.libretexts.org
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56)HIO hypoiodic acid
HypoiodOUS acid?
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fluorite is actually a crystal made of CaF2.
? could this be called calcium fluoride?
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54)HBrO3 bromic acid
would this not be hydrobromic acid?
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13)Zn(HCO3)2 zinc bicarbonate
Is there an easy way to determine if an element has multiple charges? I originally wrote this as Zinc(II) bicarbonate because it was a transitional metal and I didn't know if it had multiple charges.
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Compounds that consist of a nonmetal bonded to a nonmetal are commonly known as Molecular Compounds, where the element with the positive oxidation state is written first. In many cases, nonmetals form more than one binary compound, so prefixes are used to distinguish them.
So when identifying compounds, how come the prefixes aren't added to the metals and just the nonmetals?
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An acid is a substance that dissociates into hydrogen ions (H+) and anions in water.
Do all acids contain Hydrogen atoms?
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this -ous/-ic system is inadequate in some cases,
In what cases would the ous/ic be inadequate?
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HF (g) = hydrogen fluoride -> HF (aq) = hydrofluoric acid HBr (g) = hydrogen bromide -> HBr (aq) = hydrobromic acid HCl (g) = hydrogen chloride -> HCl (aq) = hydrochloric acid H2S (g) = hydrogen sulfide -> H2S (aq) = hydrosulfuricacid
Are these considered Hydrogen Bonds?
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sulfuric acid (H2SO4) or carbonic acid (H2CO3)
These acids do not have hydro- as a prefix... is that because they contain polyatomic ions? Would it be incorrect to put hydrosulfuric and hydrocarbonic acid?
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Key to Practice Set 1:
How do we know when to use parentheses and not to?
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24)diboron hexafluoride B2F6
Would not not condense this to BF3? Or would you stick with the B2F6 due to it being a covalent bond?
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arsenous acid Þ H3AsO3
Do i need to assume that AsO4 is Arsenate so AsO3 is Arsenite even though it wasn't on our polyatomic ions sheet?
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Acetic acid Þ C2H4O2
could you write this as H(C2H3O2)?
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Video 2.7.f: (3'19") Acid Salts 2: YouTube naming the compounds that can form from phosphate (acid, salt, and acid salts)
Why would H3PO4 not be hydrophosphoric acid?
edit: I think I figured it out. So if the acid contains a polyatomic ion then the acid is essentially named after that polyatomic ion. Since this acid contains phosphate, it is named after it and named phosphoric acid. Correct?
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the acid name will have an -ic ending
Today in class you discussed a set of "rules" (for lack of a better term on my part) that help students navigate basic chemistry concepts. Would we consider this to be an indicator that will steer us in the right direction (specifically pertaining to how to name the polyatomic ion) or more of a set rule that will indefinitely dictate the name of the polyatomic ion?
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anions containing carboxylic acid
Since carboxylic acid is contained in these anions, incidentally wouldn't their suffixes be -ic? Or is there a another specific acid that constitutes the suffix -ic?
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hydro-
when would we not use Hydro- when naming acids? Or is that not a thing.
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2)aluminum carbonate Al2(CO3)3 3)aluminum bicarbonate Al(HCO3)3
How do I remember to write the compounds like this if the only change was the bicarbonate? Would I just need to memorize it?
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Students at UALR need to know the common names for the above metals with variable oxidation state.
Would you rather us report something as ferric, stannous, cupric, etc. or do we just need to be familiar with the names?
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homonuclear diatomic ion
Is this the only element that does this? Can you explain what you mean by 'homonuclear'?
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URL
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chem.libretexts.org chem.libretexts.org
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The structural formula for H2 can be drawn as H–H and that for I2 as I–I, where the line indicates a single pair of shared electrons, a single bond. Two pairs of electrons are shared in a double bond, which is indicated by two lines—for example, O2 is O=O. Three electron pairs are shared in a triple bond, which is indicated by three lines—
So do a triple and double bond still count as one bond or is it 2 or 3 bonds when identifying the number of bonds?
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