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Compounds
Compounds
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Quick chemistry quiz on nomenclature, molecular mass, and oxidation states.
Flashcards
15 cards
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Questions
15
Answers
1
Which of these is
NOT
a chemical bond?
Metallic
Ionic
Covalent
Common
2
NCl
3
is:
Nitrogen Trichloride
Nitrogen (III) Chloride
Nitrogen Chloride
Nitrogen Chlorine (III)
3
An Ionic bond is most likely to be formed when the electronegativities of the two elements are:
A little bit different
The same
very different
equal to zero
4
Which group of elements are so stable that they almost never react?
Metals
Halogens
Ions
Noble Gases
5
If you have 18 grams of H
2
O, then how many moles is that?
1
2
3
0
6
If you have 3 moles of Oxygen, then how many grams is that?
3
32
48
16
7
What is the correct chemical formula for Iron (III) Oxide?
Ir2O3
Ir3O2
Fe2O3
Fe3O2
8
In chemistry, Quartz is known as Silicon Dioxide, or SiO
2
. What is Silicon's oxidation number?
2
-4
-2
4
9
Fool's Gold isn't gold at all - it's FeS
2
...What is the oxidation state of Iron in Fool's Gold?
-4
0
4
2
10
The Lewis Dot Diagram below can apply to which one of the following elements?
Li
Cl
Mg
B
11
What is the molecular mass of H
2
O?
18
16
28
8
12
The Cl
-
ion has the negative charge because it:
Has one fewer proton
Has an extra electron
Has one fewer electron
Has an extra proton
13
Nitrogen has an oxidation number of?
-1
1
-3
4
14
What is the term for a group of bonded elements that have a + or - charge?
Monatomic Ion
Ion
Polyatomic Ion
Covalent
15
What is the term that describes the desire of elements to fill their valence electron orbitals?
Oxidation
Bohr's Model
The Octet Rule
Hund's Rule
