Lewis Dot Structures

Question 1

What is the molecular geometry for Methane?

Accepted Answer

Tetrahedral

Question 2

In what rule number do you form double bonds and if necessary triple bonds?

Accepted Answer

5

Question 3

What are Lewis Dot Structures?

Accepted Answer

Diagrams that show the bonding between atoms of a molecule

Question 4

In what rule number do you use a single line to show one electron pair?

Accepted Answer

3

Question 5

What is the degree of Trigonal Planar?

Accepted Answer

120°

Question 6

What is the molecular geometry for CO₂?

Accepted Answer

Linear

Question 7

In what rule number do you check that the total number of electrons in your finished structure?

Accepted Answer

6

Question 8

What two degrees of V-Shaped?

Accepted Answer

120°, 104°

Question 9

What is the first criteria of the four for choosing the more important resonance structure?

Accepted Answer

Smaller charges + or - are preferable to larger charges

Question 10

Hydrogen shares 2 electrons with Oxygen

Accepted Answer

True

Question 11

What does VSEPR stand for?

Accepted Answer

Valence Shell Electron Pair Repulsion

Question 12

What is the third criteria for choosing the more important resonance structure?

Accepted Answer

Get unlike charges as close together as possible

Question 13

What is the last criteria for choosing the more important resonance structure?

Accepted Answer

Avoid like charges (++or--) on adjacent atoms

Question 14

In what rule do you add more electron pairs to complete the octets around the atoms?

Accepted Answer

4

Question 15

What is the molecular geometry for H₂O?

Accepted Answer

Bent

Question 16

What is the formula for Nitrate?

Accepted Answer

NO3-

Question 17

Which molecular geometry has 2 electrons bonded to the central atom?

Accepted Answer

All of the above

Question 18

What is the degree of linear?

Accepted Answer

180°

Question 19

How many valence electrons does Fluorine (F) have?

Accepted Answer

7

Question 20

What is the second criteria for choosing the more important resonance structure?

Accepted Answer

- formal charge exists on an atom with a larger EN value.

Question 21

Valence Electrons are the # of electrons in the highest principle energy level

Accepted Answer

True

Question 22

How many valence electrons does Na have?

Accepted Answer

1

Question 23

What structure forms a molecule where the electrons are placed differently around the molecule?

Accepted Answer

Resonance Structure

Question 24

What is the second rule for drawing lewis dot structures?

Accepted Answer

Draw the skeletal structure of the molecule

Question 25

How many resonance structures does NO3-?

Accepted Answer

3

Question 26

What is the first rule for writing lewis dot structures?

Accepted Answer

Calculate the total number of valence electrons

Question 27

What is the formula for formal charge?

Accepted Answer

# of e - (# of unshared electrons + 1/2 shared electrons)

Question 28

What is the bond angle of a covalent bond?

Accepted Answer

104.5°

Question 29

The VSEPR Theory predicts the shapes of compounds

Accepted Answer

True

Question 30

What is the degree of Tetrahedral?

Accepted Answer

109.5°

Lewis Dot Structures

Questions 30

Lewis Dot Structures

Questions 30