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Section 8.3 Molecular Structures

Last updated over 3 years ago

27 questions

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10

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Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Draggable item		Corresponding Item

Question 17

17.

Extra Credit Review: name the following acid H2SiO3

Question 18

18.

Extra Credit Review: name the following acid H2S

Question 19

19.

Extra Credit Review: name the following acid H2C2O4

Question 20

20.

How many bonded pairs?

Question 21

21.

How many lone pairs?

Question 22

22.

How many lone pairs?

Question 23

23.

How many bond pairs?

Question 24

24.

How many bond pairs?

Question 25

25.

How many lone pairs?

Question 26

26.

How many lone pairs?

Question 27

27.

How many bond pairs?

Classify the following as a molecular formula or Lewis structure.

PH3

N2O4

CO2

NH3

Molecular Formula

Lewis Structure

Classify the following elements as a metal or nonmetal.

copper

sulfur

tin

fluorine

tungsten

nickel

hydrogen

iodine

carbon

oxygen

Metal

Nonmetal

A structural formula shows the arrangement of the atoms in a molecule.

True

False

A central atom in a molecule is the one with the highest electron affinity.

True

False

Hydrogen can be a central atom.

True

False

The number of bonding pairs in a molecule is equal to the number of electrons.

True

False

To find the total number of electrons available for bonding in a positive ion, you should add the ion charge to the total number of valence electrons of the atoms present.

True

False

The electrons in a coordinate covalent bond are donated by both the bonded atoms.

True

False

Resonance occurs when more than one valid Lewis structure can be written for a molecule.

True

False

All resonance structures have at least one double bond.

True

False

Ozone is an example of a molecule that forms a resonance structure.

True

False

The carbon dioxide molecule contains two double bonds.

True

False

All electrons in an atom are available for bonding.

True

False

When carbon and oxygen bond, the molecule contains ten pairs of bonding electrons.

True

False

The formula for the nitrogen element is N2.

True

False

Rearrange so that each statement matches with the appropriate molecule.

Fewer than 8 electrons around an atom

NO

Contains two double bonds

BF3

More than one valid Lewis structure

SF6

Odd number of valence electrons

O3

More than 8 electrons around central atom

CO2