Bonding

Question 0

Electronegativity _____ from left to right going across a period on the periodic table.

Answer 0

Increases

Question 1

What is the definition of electronegativity?

Answer 1

Attraction for electrons in a bond

Question 2

What element has the highest electronegativity?

Answer 2

Fluorine

Question 3

What element has the lowest electronegativity?

Answer 3

Francine (Fr)

Question 4

A nonpolar covalent bond occurs between..

Answer 4

Two nonmetals

Question 5

What kind of sharing happens in nonpolar covalent bonds?

Answer 5

Equal or almost equal sharing of electrons

Question 6

Between what numbers is the electronegativity difference in nonpolar covalent bonds?

Answer 6

0 - 0.4

Question 7

A polar covalent bond occurs between..

Answer 7

Two nonmetals

Question 8

What kind of sharing occurs between polar covalent bonds?

Answer 8

Unequal sharing

Question 9

Between what numbers is the electronegativity difference in polar covalent bonds?

Answer 9

0.5 - 1.7

Question 10

Ionic bonds occur between..

Answer 10

A metal and a nonmetal
Metal to polytomic ions
Polytomic ions to polytomic ions

Question 11

Ionic bonds is a result of..

Answer 11

Electron transfer

Question 12

Ionic bonds have an electronegativity of..

Answer 12

1.7 and up

Question 13

Elements in the upper right side of the periodic table have ___ electronegativity, elements in the lower left side have ___ electronegativity.

Answer 13

High, Low

Question 14

Ionic bonds have a ___ melting point.

Answer 14

High

Question 15

Are ionic bonds soft or hard?

Answer 15

Hard

Question 16

Ionic bonds ____ conduct electricity in the solid phase

Answer 16

do not

Question 17

When looking for an element with the highest ability to attract electrons look for..

Answer 17

The element with the highest electronegativity

Question 18

Molecular = ?

Answer 18

Covalent

Question 19

In a polar covalent bond, electrons are drawn to the ____ electronegative atom.

Answer 19

more

Question 20

Covalent bonds have a ___ melting point.

Answer 20

Low

Question 21

Are covalent bonds soft or hard?

Answer 21

Soft

Question 22

Covalent bonds ___ conduct electricity.

Answer 22

do not

Question 23

What are the shapes of a symmetrical bond?

Answer 23

A tetrahedron and a line

Question 24

What two compounds are tetrahedrons?

Answer 24

CCl4 and CH4

Question 25

What compound forms a symmetrical line?

Answer 25

Carbon Dioxide

Question 26

When thinking of metallic bonds think...

Answer 26

Sea of mobile electrons

Question 27

Metallic bonds occur between..

Answer 27

Two metals

Question 28

Define a network solid

Answer 28

COVALENTLY BONDED MACROMOLECULES

Question 29

What are the three important network solids?

Answer 29

Diamond C Silicon Dioxide (Sand) SiO2 Silicon Carbide SiC

Question 30

Are network solids soft or hard?

Answer 30

VERY HARD

Question 31

If a compound is symmetrical it automatically becomes...

Answer 31

Nonpolar

Question 32

Network solids are a strong network of _____ bonds

Answer 32

Covalent

Question 33

Network solids have a _____ melting point.

Answer 33

Very high

Question 34

Network solids ___ conduct heat or electricity.

Answer 34

do not

Question 35

The three intermolecular forces are...

Answer 35

LDF (London Dispersion Forces), Dipole-Dipole, and Hydrogen bonding

Question 36

Intermolecular forces are not..

Answer 36

bonds

Question 37

Attractions BETWEEN molecules of covalent compounds are...

Answer 37

Intermolecular forces

Question 38

A stronger IMF means a ___ melting point and ___ vapor pressure.

Answer 38

Higher, higher

Question 39

Weaker IMF means a ___ melting point and boiling point, ___ vapor pressures.

Answer 39

Low, high

Question 40

LDF is the ___ IMF

Answer 40

weakest

Question 41

LDF occurs between what type of molecules?

Answer 41

Nonpolar

Question 42

Greater numbers of electrons cause a____ shift and ____ LDF

Answer 42

greater, stronger

Question 43

As you go ____ the group, elements have more electrons, stronger LDF

Answer 43

down

Question 44

Stronger than LDF but weaker than hydrogen bonding.

Answer 44

Dipole-Dipole

Question 45

Dipole-Dipole occurs between...

Answer 45

Polar molecules

Question 46

____ is the strongest IMF

Answer 46

Hydrogen bonding

Question 47

Hydrogen bonding occurs between ___ molecules containing hydrogen

Answer 47

VERY POLAR

Question 48

For hydrogen bonding remember...

Answer 48

e- NOF

Question 49

For hydrogen bonding remember these three compounds

Answer 49

NH3, H2O, and HF

Question 50

The more electrons an element has the ___ the molecular size is.

Answer 50

bigger

Question 51

Normal boiling point is the point at which the the compound or element boils at ____ pressure.

Answer 51

normal

Question 52

Strong IMF means ___ vapor pressure and ___ boiling point

Answer 52

low, high

Question 53

Weak IMF means ___ vapor pressure and ____ boiling point.

Answer 53

high, low

Question 54

F2 is a __ and I2 is a___

Answer 54

gas, solid