Chemistry 1 - Basic & Organic Exam 17/6/08

Front 1

Matter?

Back 1

has mass and occupies space

Front 2

The amount of matter that occupies an object is ?

Back 2

It's mass

Front 3

Energy?

Back 3

Does not occupy space and has no mass

Front 4

Energy can move?

Back 4

Matter

Front 5

Energy can do?

Back 5

Work

Front 6

Kinetic energy?

Back 6

Causes objects to move

Front 7

Potential energy

Back 7

is stored energy
For future use

Front 8

3 physical states of matter exist?

Back 8

Yes

Front 9

The 3 physical states of matter are?

Back 9

Solids
Liquid
Gas

Front 10

Solid matter has

Back 10

Definite shape
Volume

Front 11

Liquied matter has

Back 11

No definite shape
Volume

Front 12

Gas matter has

Back 12

No definite shape
No definite volume

Front 13

Kinetic matter

Back 13

Tiny particles
Definite size and characteristic
Do no change
Random motion
Attract & repulse
Have potential energy
Velocity increases with temp increase
Collisions transfer energy between particles

Front 14

Kinetic energy causes particles to?

Back 14

Move apart

Front 15

Potential energy of attraction in Kinetic energy causes?

Back 15

particles to stick together = order

Front 16

Solids, liquids & gases are distinguished by?

Back 16

Volume & Shap
Density
Compressibility
Thermal expansion

Front 17

Solid matter is characterized by?

Back 17

Cohesion

Front 18

Liquid state characterized by ?

Back 18

Cohesion
(potential energy)
& distruption
(kinetic energy)

Front 19

Gas state is characterized by?

Back 19

disruption
(kinetic)

Front 20

Gas is highly ?

Back 20

Compressible
High thermal expansion

Front 21

Liquid does not?

Back 21

Does not complress well
Does not expand on temp rise

Front 22

Solid matter does not?

Back 22

Expand easily

Front 23

Changes in matter are?

Back 23

Physical
Not chemical

Front 24

Sublimation is?

Back 24

physical change
Solid to gas

Front 25

Water is a liquid at 25C and what at 100C?

Back 25

gas at boiling point

Front 26

Metric unit of length is?

Back 26

meter (m)

Front 27

Metric unit of mass is the?

Back 27

gram (g)

Front 28

Metric unit of volume is the ?

Back 28

Litre (L)

Front 29

Metric unit of time is the?

Back 29

second (s)

Front 30

Metric system is based on ?

Back 30

10

Front 31

Liquids are measured in?

Back 31

Litres (L)

Front 32

1 kilo always means?

Back 32

1000

Front 33

gig

G

Back 33

10 to the power of 9

9 zeros

Front 34

mega

M

Back 34

10 to the power of 6

6 zeros

Front 35

kilo

K

Back 35

10 to the power 3

3 zeros

Front 36

deci

Back 36

Smaller than base unit

Front 37

giga, mega, kilo

Back 37

Greater than base unit

Front 38

deci, centi, milli, micro, nano, pico,

Back 38

smaller than base unit

Front 39

deci

d

Back 39

10 to the power of -1

O.1

Front 40

centi

c

Back 40

10 to the power of -2

0.01

Front 41

milli

m

Back 41

10 to the power of -3

0.001

Front 42

micro

u

Back 42

10 to the power 6

0.000001

Front 43

nano

n

Back 43

10 to the power 9

0.000000001

Front 44

pico

p

Back 44

10 to the power of 12

0.000000000001

Front 45

Exponential notations?

Also known as a scientific number

Back 45

Expression of a number using a decimal point.

0.04 x 10 to the power of 2 = 104

Front 46

Coefficient?

Back 46

is the whole number (6.5) that is then multiplied x in an exponential notation.

6.5 x 10 to the power of 5 = 650000

Front 47

Steps in converting a decimal number (coefficient to a scientifice number?

Back 47

Locate decimal point

Move the decimal either left or right, between the first and second digits.

Exponent is positive if the original decimal number is 10+

Exponent is neg if the original decimal is less than 1

Front 48

Three temperature scales are?

Back 48

Celsium - Metric

Kelvin (Metric)

Fahrenheit

Front 49

The temperature scale Kelvin is?

Back 49

Water freezes at 273K
Boils at 373K

converstion Celsium to Kelvin + 273

Front 50

What is an atom?

Back 50

Basic unit that makes up matter
Smallest particle of an element
Still has the element properties

Front 51

Atoms have 2 main componants?

Back 51

Sub Atomic particles
In Nucleus
Electron Shells

Front 52

Protons?

P+

Back 52

Sub Atomic particles
P+ Positive charged
In the nucleus

Front 53

Neutrons?

o
n

Back 53

Sub Atomic particles
Do not have a charge = neutral
In nucleus

Front 54

Electrons?

Back 54

Sub Atomic particles
Negative charge
On electron shlls of atom
occupy shells closest to nucleus
Small - light

Front 55

Atoms overall charge?

Back 55

Neuutral
Same # protons and neutrons
2 protons, 2 neutrons 2 electrons

Front 56

Atomic number?

Back 56

Number of protons in the atom

Helium has 2 protons in the nucleus - Atomic # is 2

Atomic number = # protons = # of electrons =

Front 57

The # of electron subshells in shell 1 is?

Back 57

1

Front 58

The # of electron subshells in shell 2 is?

Back 58

2

Front 59

The # of electron subshells in shell 3 is?

Back 59

3

Front 60

Subshells are designnated by the letters?

Back 60

s
p
d
f

Front 61

In shell # 1, has 1 subshell, of which letter?

Back 61

s

Front 62

In shell # 2, has 2 subshells, of which letters?

Back 62

s & p

Front 63

In shell # 3, has 3 subshells, of which letters?

Back 63

s
p
d

Front 64

Electron orbitals make up ?

Back 64

subshells

Front 65

An electron orbital can hold a maximum of ? electrons?

Back 65

2

Front 66

The s subshell can holds a maximum of how many electrons

Back 66

2

Front 67

p subshell is made of three electron orbitals, each hold a max of ? electrons

Back 67

2

Front 68

The p shell has a max of how many electrons?

Back 68

6

2 + 2 + 2 = 6

Front 69

p orbitals exist in ea subshell except the ?

Back 69

first

s

Front 70

orbital s has a max of ? electrons

Back 70

2

Front 71

p has a max of ? electrons

Back 71

6

Front 72

d has a max of ?electrons?

Back 72

10

Front 73

f has a max of ? electrons?

Back 73

14

Front 74

The rows of the periodic table are called?

Back 74

periods

Front 75

the columns of the periodic table are called?

Back 75

groups

Front 76

Elements are classified as ?

Back 76

Metal or non metal

Front 77

Symbol for Hydrogen?

Back 77

H

Front 78

Symbol for Sodium

Back 78

Na

Front 79

Subscript for Hydrogen , H

Back 79

1s

Front 80

Subscript for Lithium - Li

Back 80

1s 2x

Front 81

Subscript for Sodium -Na

Back 81

1s 2s 2p 3s

Front 82

The group number on the periodic table represents?

Back 82

the @ electrons in the outermost shell

Front 83

Metal element characteristic properties?

Back 83

lustry (shine)
electrical conductivity
thermal conductivity
malleability

Front 84

Non metal element characteristic property

Back 84

Non lustre, conductive, maleability

Front 85

Noble gases are in which group on the period table

Back 85

Group 8
gases @ room temperature
Do not react under normal conditions

Front 86

Elements can be classified as ?

Back 86

Noble gases
Alkali metals
Alkali earth metals
transition elements
inner transition elements

Front 87

Elements in Group 7A Halogens?

Back 87

F - Flourine
Cl - Chloring
Br - Bromine
I - Iodine
At - Astafine

Front 88

Elements in Group 8A Noble gases?

Back 88

He- Helium
Ne - Neon
Ar - Argon
Kr - Krypton
Xe - Xenon
Rn - Radon

Front 89

Noble gases are?

Back 89

Inert stabel gases
Do not bond

Front 90

Halogens in group 7A have how many valence electrons?

Back 90

7 valence electrons in group 7A - Halogens

Front 91

Noble gases in group 8A have how many valence electrons?

Back 91

8 valence electrons in group 8A - Noble gases

Front 92

Homogeneous mixture is?

Back 92

appear to be made of one physcial
eg salt disolved in water
homogenised

Front 93

Heterogeneous mixture?

Back 93

Appear to be made of 2+ by chemical means.
Compounds are formed by reaction of elements/elements

Front 94

Smallest part of a compound is a?

Back 94

Molecule

Front 95

A chemical bond is the?

Back 95

Attractive force
holds 2 + atoms together
In a more complex unit

Front 96

Carbon as an atomic number of?

Back 96

6

Front 97

Carbon has how many electrons?

Back 97

6

Front 98

the super script for Carbon with 6 electrons?

Back 98

1s 2s 2p

Front 99

# Covalent bonds Carbon C?

Back 99

C = 4 Covalent Bonds

Front 100

# Covalent bonds Oxygen O?

Back 100

O = 2 Covalent Bonds

Front 101

# Covalent Bonds Hydrogen H ?

Back 101

H = 1 covalent bond

Front 102

# Covalent Bonds Nitrogen N ?

Back 102

N = 3 covalent bond

Front 103

# Double bonds - Alkenes?

Back 103

Alkenes: or more double bonds

Front 104

# Triple bonds - Alkynes?

Back 104

Alkynes: 1 or more triple bond

Front 105

Arenes have how many benzene rings?

Back 105

1 or more benzene rings

Front 106

methane

Back 106

2

Front 107

Eth

Back 107

2

Front 108

Prop

Back 108

3

Front 109

But

Back 109

4

Front 110

Pent?

Back 110

5

Front 111

Hex?

Back 111

6

Front 112

Oct?

Back 112

8

Front 113

Non?

Back 113

9

Front 114

Dec?

Back 114

10

Front 115

Reactants are converted to?

Back 115

1 or more new substances

Front 116

Law of conservation of matter?

Back 116

Matter can neither be created nore destroyed

Front 117

Balance this chemical equation -
N2 + H2 ->NH3

Back 117

N2 + 3H2 -> 2NH3

Front 118

Balance this chemical equation -
Fe + O2 ->Fe2 O3

Back 118

4Fe + 302 -> 2Fe2 03

Front 119

Balance this chemical equation -
CH4 + 02 -> CO2 + H2O

Back 119

CH4 + 2O2 -> CO2 + 2H2O

Front 120

Balance this chemical equation -
NH3 + O2 -> N2 + H2O

Back 120

4NH3 + 3O2 -> 2N2 + 6H2O

Front 121

Alcohols end in?

Back 121

OL
Methanol
CH3 - OH
Meth group + Alcohol group

Front 122

Methanol ?

Back 122

CH3 - OH
Meth = 1 Carbon
ol = Alcahol group

Front 123

Ethanol?

Back 123

CH3 – CH2 – OH
Eth - 2 Carbons
ol = Alcohol group

Front 124

Propanol?

Back 124

CH3-CH2-CH2-OH
Prop = 3 Carbons
ol = Alcohol group

Front 125

Naming of branch alkanes?

Back 125

The longest chain containing the double bond is numbered so the C atom from which the double bond originates has the lowest position