Quiz on Bonding (and a preview of naming) 26 questions, a few surprises.

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1. Why do atoms bond?

To make bigger molecules

So they can get 0 or 8 valence electrons

To avoid the pull of the positive nucleus

We don't know why, only that they do.

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2. Which column of elements will not bond?

Column 1 - Alkali Metals

Column 2 - Alkali Earth Metals

Columns 3-12 - Transition Metals

Column 17 - Halogens

Column 18 - Noble Gases

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3. How many valence electrons does P, phosphorus, #15 have?

Type the number on the line below.

4. Would phosphorus give or take electrons to satisfy the Octet Rule?

give

take

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5. In the image above, which is the correct electron dot (Lewis Dot) diagram for phosphorus?

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6. What do the electrons do in ionic bonding?

give and take

share with a neighbor

Share with a bunch of neighbors like a food fight

Nuthin'

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7. What do the electrons do in metallic bonding?

give and take

share with a neighbor

Share with a bunch of neighbors like a food fight

nuthin'

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8. What do the electrons do in covalent bonding?

give and take

share with a neighbor

Share with a bunch of neighbors like a food fight

nuthin'!

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When a nonmental and a nonmetal combine, what kind of bond would be between them?

ionic

covalent

metallic

hydrogen

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10. What is the oxidation state (oxidation number) for P, phosphorus?

1 +

2 +

3 +

4+/-

3 -

2 -

1 -

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11. What does the oxidation number tell us?

Whether the resulting charge is positive or negative

how much electronegativity the atom has

how many electrons are transfered and whether the resulting charge is positive or negative

how many wombats are currently working for the NSA doing surveillance on your quiz progress.

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12. Will Ca bond with Mg?

yes, because they both form positive ions

no, because they both form positive ions

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13. The oxidation numbers for Be, beryllium and N, nitrogen are

3-, 3-

3+, 3-

2+, 3+

2+, 3-

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14. If you bond Be and N, the formula would be...(Google forms can't lower the numbers down correctly, but the numbers -are- subscripts.)

BeN

Be2N3

Be3N2

Be3N3

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15. What is a polyatomic ion?

ionically bound metals and nonmetals with no charge

two or more nonmetals covalently bound with a charge

Two or more nonmentals covently with no charge

Two or more metals covalently bound with a charge

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16. What is a diatomic molecule?

a molecule with two different charges

a molecule with multiple nonmetals and a charge

two of the same kind of atom bound together

a polyatomic ion bonded with another ion

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17. Could Mg bond with PO4 3-?

Yes, because one is a positive ion and one is negative

No, because one is a positive ion and one is a negative ion

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INTERLUDE: A few questions about naming, that we will be learning this week.

"What? We haven't learned anything about naming except adding -ide to the end! " No stress. You will this week and the quiz is open until 11/11. So make your best guess, and if you guess wrong, pay attention in class and try again! :) Sneakily Ms. LeMay is basically setting you up so you want to pay attention to get the answers this week AND so you retake the quiz and make your grade higher. Forcing you to learn more and get better grades - what a witch.

18. Assuming they could bond, what would be the name of that compound made of Mg and PO4 3- ?

magnesium phosphorous oxide

magnesium phosphate

phosphate magneside

yo mama

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19. If titanium, Ti 4+ bonded with arsenic As, what would the formula be?

TiAs

Ti4As

Ti3As4

As4Ti2

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20. What would we call this compound?

Yup, Guess on this one, too, then free learnin' this week. Or, HUGE HINT, use the naming packet you'll just get to figure it out. ;)

dititanium tetrarsenide

titanium (II) arsenide

titanium arenside

titanium (IV) arsenide

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21. What would do we call N3Br4?

You are going to be so good at this by the end of the day Tuesday.

nitrogen bromine

nitrogen bromide

trinitrogen tetrabromide

George

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22. When do we use prefixes in naming?

GAAAAAHHH!! -Okay, fine, you can use the Naming Packet if you want to. Free answers and a head start on next week's homework. :)

if you are bonding two nonmentals

if you are bonding a metal and a nonmetal

if you are bonding a polyatomic ion

if you are bonding a transition metal

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Okay, back to the bonding stuff. :)

23. A polar molecule

is covalently bonded

doesn't share electrons equally

has a positive pole on one end and a negative pole on the other

all of the above

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24. CO3 2- is a

diatomic molecule

polyatomic ion

polar molecule

fish

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25.The common name for dihydrogen monoxide is

ammonia

baking soda

water

fish

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26. If the electronegativity of one atom is high and the other atom's electronegativity is low, what kind of bond will form between them?

ionic

covalent

metallic

Eternal. Still better than Twilight.

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