QUIZ 3.2

Question 1

nucleus=

Answer 1

SMALL/DENSE/ POSITIVE

Question 2

_____ orbit the nucleus,

Answer 2

ELECTRONS

Question 3

atom =

Answer 3

EMPTY SPACE

Question 4

_____ are orbiting around the
nucleus, accelerating, releasing energy.

Answer 4

ELECTRONS

Question 5

electrons can only exist in

Answer 5

SHELLS

Question 6

An electron can exist at

Answer 6

SPECIFIC DISTANCES FROM NUCLEUS

Question 7

An electron _____be in between
_____levels

Answer 7

CANNOT
ENERGY

Question 8

The _____is naturally attracted towards
the _____of the atom.

Answer 8

ELECTRON
NUCLEUS

Question 9

electron absorbs energy=

Answer 9

HIGHER ENERGY LEVEL

Question 10

If an electron is at a higher energy level, we
say that the electron is

Answer 10

EXCITED STATE

Question 11

When an electron releases energy, it jumps
to a _____

Answer 11

LOWER ENERGY LEVEL/ GROUND STATE

Question 12

energy enters the atom=

Answer 12

ELECTRON CAN ABSORB ENERGY BEXOMING EXCITED AND JUMP HIGHER ENERGY LEVELS

Question 13

When the electron releases the
energy =

Answer 13

ELECTRON RETURNS TO LOWER ENERGY LEVELS

OTHER FORMS OF ELECTROMAGENETIC RADIATION BESIDE VISIBLE LIGHT CAN BE EMITTED

Question 14

Each energy level can hold

Answer 14

CERTAIN NUMBER OF ELECTRON

Question 15

The first level can hold

Answer 15

2

Question 16

the
second can hold

Answer 16

8

Question 17

and the third
can hold

Answer 17

18

Question 18

no of e-

Answer 18

2N2

Question 19

Inside each energy level, there are _____

Answer 19

SUBLEVELS

Question 20

Inside the sublevels are _____

Answer 20

ORBITALS

Question 21

Space around a nucleus where an
electron is likely to be found

Answer 21

ORBITALS

Question 22

Orbitals are NOT _____.

Answer 22

ORBITS

Question 23

Shape represents =

Answer 23

ELECTRON DENSITY NOT PATH

Question 24

Each orbital can hold=

Answer 24

2 ELECTRONS

Question 25

When electrons occupy orbitals =

Answer 25

SPIN ON THEIR AXIS

Question 26

If 2 electrons occupy an orbital =

Answer 26

SPIN OPPOSITE DIRECTIONS

Question 27

Arrows are used to symbolize

Answer 27

E-

Question 28

Electrons exist the in the

Answer 28

SPECIFIC ENERGY LEVELS ( SHELLS)

Question 29

Inside the energy levels are

Answer 29

SUBLEVELS SPDF

Question 30

Orbitals are NOT

Answer 30

ELECTRON PATHS

Question 31

Energy Level – Energy sub level - orbital

Answer 31

A

Question 32

In the ground state of an atom, electrons fill atomic orbitals of the _____ before occupying higher levels.

Answer 32

LOWEST ENERGY

Question 33

_____ tells us that if we arrange the elements in order of increasing atomic number, we periodically encounter elements that have similar chemical and physical properties.

Answer 33

PERIODIC LAW

Question 34

Arranged in ____ number

Answer 34

INCREASING ATOMIC NUMBER

Question 35

columns =

Answer 35

GROUPS

Question 36

rows =

Answer 36

PERIODS

Question 37

Elements in a group

Answer 37

SIMILAR PROPERTIES

Question 38

Group IA: Group 2A: Group 6A: Group 7A: Group 8A: Group B:

Answer 38

ALKALI METALS EARTH METALS CHALCOGENS HALOGENS NOBLE GASES TRANSITION METALS

Question 39

57 – 71

Answer 39

LANTHANIDES

Question 40

89 – 103

Answer 40

ACTINIDES

Question 41

increases from top to bottom and decreases from left to right with respect to position in the periodic table.

Answer 41

METALLIC PROPERTY

Question 42

Within a group, _____ increase from top to bottom as _____are added to shells farther from the nucleus.

Answer 42

ATOMIC RADII ELECTRONS

Question 43

Atomic radii decrease from____within a given period

Answer 43

LEFT TO RIGHT

Question 44

Down a group, the atomic radii increases because the =

Answer 44

NUMBER OF SHELL INCREASES

Question 45

Across a period, the charge of the nucleus increases

Answer 45

PULLING ELECTRON CLOSER

Question 46

_____of energy required to remove the most loosely bound electron from an isolated gaseous atom to form an ion with a 1+ charge.

Answer 46

IONIZATION ENERGY

Question 47

Ionization energies measure how _____ electrons are bound to atoms.

Answer 47

TIGHTLY

Question 48

_____ always requires energy to remove an electron from the attractive force of the nucleus.

Answer 48

IONIZATION

Question 49

Low ionization energies indicate ease

Answer 49

REMOVAL ELECTRONS

Question 50

_____ is the energy change that occurs when an electron is added to a gaseous atom

Answer 50

ELECTRON AFFINITY

Question 51

Elements with very negative electron affinities _____

Answer 51

GAIN ELECTRONS EASILY TO FORM NEGATIVE IONS

Question 52

_____ of an element is a measure of the relative tendency of an atom to attract electrons to itself when it is chemically combined with another atom.

Answer 52

EN ELECTRONEGATIVITY

Question 53

F is the most _____

Answer 53

ELECTRONEGATIVITY

Question 54

Noble gases are not ____

Answer 54

ELECTRONEGATIVE

Question 55

same number proton different number of neutron

Answer 55

ISOTOPES

Question 56

Atomic mass =

Answer 56

PROTON NEURTON

Question 57

who asked " what makes up everything"

Answer 57

GREEKS

Question 58

proposed idea that materials are composed of four elements fire/water/air/earth

Answer 58

ARISTOTLE

Question 59

atomic theory of matter

Answer 59

JOHN DALTON ENGLISH CHEMIST METEOROLOGIST

Question 60

law of conservation mass

Answer 60

ANTOINE LAVOISER

Question 61

law of definite proportions

Answer 61

JOSEPH PROUST FRENCH CHEMIST

Question 62

discovered negative electron

Answer 62

JONJOSEPH THOMSON

Question 63

designed experiment to study alpha particle gold foil

Answer 63

ERNEST RUTHERFORD

Question 64

danish physicist discovered electron in atom exist in specific region

Answer 64

NIELS BOHR

Question 65

negatively charged ion

Answer 65

ANION

Question 66

positively charged ion

Answer 66

CATION