Chemical Formulas
What is the correct chemical formula for Calcium Phosphide?
What is Ca₃P₂?
What is the correct name for Hg₂O?
What is Mercury (I) Oxide?
How many nonbonding electrons are in carbonate (CO₃²⁻)?
What is 18?
Which group in the periodic table does an element with this Lewis structure belong?
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.X:
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What is Group 15?
Which molecule has single, double, and triple bonds in its resonance structures?
What is SO₃²⁻?
What is the correct chemical formula for Gold (I) Chlorate?
What is AuClO₃?
What is the correct name for HNO₂?
What is Nitrous Acid?
How many valence electrons does SF₅⁻ have?
What is 42?
What happens to bond length and bond energy in a molecule?
a) Longer bonds always have higher bond energy.
b) Shorter bonds generally have higher bond energy.
c) Bond length increases as bond energy increases.
d) All bonds have the same length and energy.
e) Bond length and bond energy are independent.
What is "Shorter bonds generally have higher bond energy?"
What is the hybrid resonance structure for SO₃²⁻?
What is an average of three resonance structures?
What is the correct chemical formula for Hydrobromic Acid?
What is HBr?
What is the correct name for SO₃²⁻ when considering its resonance structures?
What is Sulfite Ion?
Which statement correctly describes the structure of Iodine tetrafluoride (IF₄⁻)?
a) 6 single bonds, 19 lone pairs
b) 4 single bonds, 12 lone pairs
c) 5 single bonds, 15 lone pairs
d) 4 single bonds, 14 lone pairs
e) 4 single bonds, 13 lone pairs
What is 4 single bonds, 14 lone pairs?
What element is most likely to have an expanded octet in bonding?
What is sulfur or phosphorus?
Calculate the bond order for SO₃²⁻?
What is 4/3 or 1.33?
Which of the following chemical formulas is incorrect?
a) PCl₅
b) XeF₆
c) NF₅
d) IF₅
e) KrCl₆
What is NF₅?
What is the preferred Lewis structure for hydrogen cyanide (HCN)?
What is H—C≡N?
What is wrong with a Lewis structure that has an electron-deficient atom?
What is "An atom does not have a full octet"?
How many lone pairs are in the most stable structure of SO₃²⁻?
What is 6 lone pairs?
What is the preferred Lewis structure for BeCl₂?
What is Be with two single bonds to Cl, with lone pairs on Cl?
Which molecule has a bond order of 3?
a) O₂
b) N₂
c) NaF
d) OH⁻
e) S₂²⁻
What is N₂?
Which molecule would contain a free radical?
a) CH₄
b) NH₃
c) H₂O
d) CH₃
e) BF₃
What is CH₃?
Assign all the formal charges for SO₃²⁻.
What are -1 on one oxygen and 0 on sulfur?
Which period 4 noble gas does not commonly form compounds?
What is Krypton (Kr)?
In which type of molecule is bond order = 3 observed?
What is a diatomic nitrogen molecule, N₂?