Chapter 6 Relationships and patterns In Chemistry

Question 1

Periods

Answer 1

Go up and down, aka a family

Question 2

Elements in the same chemical family have…

Answer 2

It he same chemical properties

Question 3

Why do elements in the same chemical family have similar properties

Answer 3

They have the same number of valence electrons.

Question 4

The most metallic elements are located….

The most non metallic elements are located….

Answer 4

Bottom left, upper right

Question 5

Alkali metals

Answer 5

Most reactive metals. Violent with water

Question 6

Halogens

Answer 6

Most reactive elements

Question 7

Trend of atomic radii

Answer 7

Elements are larger in the bottom left.

Question 8

Ionization energy increases

Answer 8

Upper right

Question 9

Ionization energy

Answer 9

The amount of energy required to remove an electron from a gaseous ion

Question 10

Electronegativity

Answer 10

The ability of an attracted element to pull elements twoards it.

Question 11

What affects atomic radii?

Answer 11

The number of valence electrons:makes it larger

The number of protons, makes it smaller

Question 12

Metal bonded to a nonmetal

Answer 12

Ionic

Question 13

Non metal to a non metal

Answer 13

Covalent

Question 14

Metal to a metal

Answer 14

Metallic

Question 15

How to determine the type of bonds

Answer 15

Take the absolute value of the difference between electronegativities and use the chart

Question 16

What is the bond chart

Answer 16

0 -non polar covalent
Anything up to .4 -mostly covalent
.4-1.7 polar covalent
More than 1.7 - ionic

Question 17

Network covalent bonds

Answer 17

The bond is the whole substance, not just one element to another

Question 18

It is hydrogen bonding when hydrogen is connected to

Answer 18

Nitrogen oxygen and fluorine

Question 19

It is dipole dipole when

Answer 19

There is a partially positive and a partially negative side

Question 20

How to tell if a molecule is polar.

Answer 20

If it has a partially positive and a partially negative side

Question 21

How to tell if it is a London dispersion force

Answer 21

If it is equally dispersed.

Question 22

How to calculate formal charge ?

Answer 22

Use the formula: valence electrons - (dots plus dashes)

Question 23

How to determine the correct isomer

Answer 23

Preform the formal charge for each element

Whichever structure has an answer closer to 0 wins

Question 24

What is planks constant

Answer 24

6.626 x 10^-34 js

Question 25

How to deal with a pes spectrum

Answer 25

Look at the elements and use a magical technique called guessing. Assign the first peak as 1s and so on

Question 26

In a pes structure, when the spectrum displays the first 2 peaks as different what is going on.

Answer 26

Since they are not the same, assume they are choosing not to show the s orbitals. The first one would b 2p

Question 27

Weak imfs have a ____ melting point and strong imfs have a _____ one

Answer 27

Low, high

Question 28

Weak imfs have a ____ rate of evaporation and strong imfs have a _____ one

Answer 28

High, low

Question 29

Vapor pressure

Answer 29

The even rate of evaporating and condensing

Question 30

Weak imfs have a ____ vapor pressure and strong imfs have a _____ one

Answer 30

High, low

Question 31

Weak imfs have a ____ boiling point and strong imfs have a _____ one

Answer 31

Low, high

Question 32

Viscosity:

Answer 32

the resistance of a liquid to flow.

Question 33

Who is known as the evil version of Santa

Answer 33

Krampus O.o

Question 34

Weak imfs have a ____ viscosity and strong imfs have a _____ one

Answer 34

Low, high

Question 35

Weak imfs have a ____ surface tension and strong imfs have a _____ one

Answer 35

Low, high

Question 36

Single bonds are only this kind of bond

Answer 36

What is a sigma bond (correct wise one)

Question 37

Double bonds are these kinds of bonds

Answer 37

Both sigma and pi bonds

Question 38

Triple bonds have these kind of bonds in this order

Answer 38

Sigma, pi, pi

Question 39

Groups

Answer 39

Go from right to left

Question 40

What makes ionization have its trend

Answer 40

As you go left, the protons increase, adding to the overall charge, and hold on the electrons As you go up. There are less shielding electrons

Question 41

What makes electronegativity have its trend

Answer 41

As you go up, less shielding, so a stronger overall charge, as you go right, more protons, and more charge

Question 42

The twilight zone

Answer 42

It is another dimension: A dimension of sound, a dimension of sight, a dimension of mind. A land of both shadow and substance, of things and ideas. You've just crossed over into... the Twilight Zone.