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Biblioteka

Chapter 8 Covalent Bonding Semester Exam Review

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Posljednje ažuriranje almost 4 years ago
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10
Pitanje 1
1.

Which combination of bonds is present in this molecule?

Pitanje 2
2.

Which exception to the octet rule is shown by beryllium in this molecule?

Pitanje 3
3.

Which is NOT a diatomic molecule?

Pitanje 4
4.

Which type of bond has one pair of electrons shared between atoms?

Pitanje 5
5.

In the compound PCl3, how many total valence electrons are present?

Pitanje 6
6.

Which type of bond has an electronegativity difference greater than 1.7?

Pitanje 7
7.

How many pairs of bonding electrons are in a molecule that displays sp2 hybridization?

Pitanje 8
8.

How many pairs of bonding electrons are present in a molecule that displays trigonal bipyramidal molecular shape?

Pitanje 9
9.

What molecular shape does the compound CH4 have?

Pitanje 10
10.

Which is the correct formula for the compound dinitrogen dioxide?

Pitanje 11
11.

Which is the formula for the compound sulfur pentachloride?

Pitanje 12
12.

How many pi bonds are there in a triple covalent bond?

Pitanje 13
13.

How many bond pairs of electrons exist in a molecule of water?

Pitanje 14
14.

Which of the following compounds is an exception to the octet rule?

Pitanje 15
15.

Name the compound CS2

Pitanje 16
16.

Name the compound S2F5

Pitanje 17
17.

Name the compound P3S7

Pitanje 18
18.

Name the compound N3O9

Pitanje 19
19.

Name the compound S2N6

Pitanje 20
20.

Give the formula for the covalent compound dinitrogen tetrafluoride.

Pitanje 21
21.

For covalent compounds, the electrons are ______________ between the atoms.

Pitanje 22
22.

What does the prefix nona- represent?

Pitanje 23
23.

What suffix do all covalent compounds end with?

Pitanje 24
24.

Give the number of bonded pairs.

Pitanje 25
25.

Name the type of hybridization

Pitanje 26
26.

This molecule has _____________ degrees between each bonded pair.

Pitanje 27
27.

Name the type of molecular geometry

Pitanje 28
28.

Give the number of bonded pairs.

Pitanje 29
29.

This molecule has _____________ degrees between each bonded pair.

Pitanje 30
30.

Name the type of hybridization

Pitanje 31
31.

Name the type of molecular geometry

Pitanje 32
32.

What do the pink paddles represent in the structure?

Pitanje 33
33.

Unequal sharing of electrons between two bonded atoms always indicates

Pitanje 34
34.

In what form do elements such as oxygen, hydrogen, nitrogen, chlorine, bromine, fluorine, and iodine normally occur?

Pitanje 35
35.

How many sigma bonds in the molecule?

Pitanje 36
36.

How many pi bonds in the molecule?

Pitanje 37
37.

How many bonded pairs of electrons in the molecule?

Pitanje 38
38.

How many lone pairs of electrons in the molecule?

Pitanje 39
39.

How many sigma bonds in the molecule?

Pitanje 40
40.

How many pi bonds in the molecule?

Pitanje 41
41.

How many total valence electrons in the molecule?

Pitanje 42
42.

Essay--Write the answer to one essay question in the space provided below.

FCA’s 1. Write in complete sentences and paragraph form.

2. Use Chapter 8 terminology to answer questions(example: hybridization, double bond, lone pairs, etc...).

3. Provide inferences, other thoughts, or personal experiences in your answer whenever possible.

#1 Explain why is PCl5 an exception to the octet rule, while PCl3 is not?

#2 Vanderwaal's forces, Dipole-Diple moment, and Hydrogen bonding are used to explain bonding between covalent compounds. Explain which is the strongest of the three bonding forces and how the molecules bond according to this force.