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15
×
The name of S^2- is _______.
sulfite ion.
sulfide ion.
sulfate ion.
sulfur.
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15
×
The formula for ammonium hydroxide is ________.
NH4NO3
OHNH4
NH4O
NH4OH
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15
×
What is the name of AlCl3?
aluminum chloride
aluminum(III) trichloride
aluminum(III) chloride
aluminum trichloride
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baam
Lose 10 points!
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fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
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×
thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
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×
fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 25 points!
Okay!
×
thief
Give points!
5
10
15
20
25
15
×
The molecule SiCl4 has a ________ shape.
pyramidal
bent
tetrahedral
linear
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15
×
The formula Ca(NO3)2 tells us that one formula unit of this compound is composed of __ calcium atoms, __ nitrogen atoms, and __ oxygen atoms.
one; two; five
one; two; six
two; two; six
one; one; six
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15
×
The element least likely to obey the octet rule in forming chemical bonds is
carbon
fluorine
boron
nitrogen
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15
×
Elements in Period 3 or below don't always "obey" the octet rule because they ____.
can use s and p orbitals for bonding.
cannot use s orbitals for bonding.
can use s, p, and d orbitals for bonding.
cannot use d orbitals for bonding.
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15
×
The formula PO4^:3- means that this ion is composed of:
1 atom phosphorus, 4 atoms oxygen, and 3 electrons lost
1 atom phosphorus, 4 atoms oxygen, and 3 extra electrons
4 atom phosphorus, 4 atoms oxygen, and 3 electrons lost
4 atoms phosphorus, 4 atoms oxygen, and 3 extra electrons
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