Level 1
Level 2
N/A
Level 3
Level 4
100

How many Total Valence Electrons does CH2O

A) 8 Valence Electrons B) 4 Valence Electrons C) 10 Valence Electrons

A) 8 Valence Electrons

100

How many bonds are used in total?

A)4 Bonds B)2 Bonds C)8 Bonds

A) 4 Bonds

100

N/A

N/A

100

What is the charge for NOF?

A) 6  B) 2 C) -2 D) 0

D) 0

100


What is the name of this compound and how many single bonds are there in this structure

A) Tetrachloromethane with 4 single bonds B) Dichlorocarbene with 6 C) Sodium Chloride with 8 bonds

A) Tetrachloromethane with 4 single bonds



200

How many double bonds are there?

A) 4 bonds B) 2 Bonds C) 5 Bonds

B) 2 Bonds

200

How many Electrons are in this Lewis structure

A)12 Electrons B)8 Electrons C)6 Electrons

A) 12 Electrons in total

200

N/A

N/A

200

What is the molecular geometry of HCN

A) Tetrahedral Bent B) Triangular Planar bent C) Linear

C) Linear

200

What is the name of this lewis structure?

A) Tetrasulfure fluroide B) Tetrasulfure tetrafluroide C) Sulfur tetrafluroide

C) Sulfur tetrafluroide

300

How many Valence electrons are there in total?

A) 24 Valence electrons B) 67 Valence electrons C) 20 Valence electrons

A) 24 Valence electrons

300

How many Valence electrons does CO2 have?

A) 22 Valence electrons B) 18 Valence electrons C) 16 Valence electrons

C) 16 Valence electrons

300

N/A

N/A

300

What is the Molecular shape of NH3?

A) Trigonal Pyramid B) Tetrahedral Bent C) Tetrahedral

A) Trigonal Pyramid

300

What is the Molecular geometry for CH4

A) Trigonal Pyramidal B) Tetrahedral bent C) Tetrahedral

C) Tetrahedral

400


How many double pairs are there in O2?

A) 1 pair B) 2 pairs C) 4 pairs

B) 2 pairs

400

How many double bonds does H2CO

A) 4 double bonds B) 1 Double bond C) 2 Double Bonds

B) 1 Double bond

400

N/A

N/A

400

What is the molecular shape of NO2?

A) Linear B) Linear Bent C) Trigonal Planar

A) Linear, it is not bent because the lewis structure posted is an incorrect one, all you had to do was remove the lone pair from the N and just answer it

400


What is the Molar Mass of H3PO4?

A) 98.99 G/mol B) 97.99 G/mol C) 100 G/mol

B) 97.99 because, H3PO4 = 3(1.008 g) + 1(30.97 g) + 4(16.00 g) = 97.99 g

500

How many double pairs are there in CH2O

A) 2 pairs B) 4 Pairs C) 1 Pair

C) 1 Pair

500

CO2 is considered bent because if the double bonds and because of the double of the lone pairs

A) True B) False

B) False, it is linear and lewis structures are considered bent if the middle had lone pairs

500

N/A

N/A

500

What is the molar mass of H4N2?

A) 14 g/mol B) 32 g/mol C) 12 g/mol

B) 32.0452 g/mol

500

How many lone pairs, how many double bond pairs, and how many Valence electrons are there?

A) 7 Lone pairs, 2 Double bond pairs, and 30 Valence electrons B) 2 Lone pairs, 1 Double bond pair and 36 Valence electrons C) 7 Lone pairs, 1 Double bond pair, 36 Valence electrons

C) 7 Lone pairs, 1 Double bond pair, 36 Valence electrons

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