3rd Periodic Test

Question 1

Has definite shape and volume

Answer 1

Solid

Question 2

It has no definite shape but has definite volume

Answer 2

Liquid

Question 3

It has no definite shape and no definite volume

Answer 3

Gas

Question 4

Solid to Liquid

Answer 4

Melting

Question 5

Gas to Solid

Answer 5

Deposition

Question 6

Liquid to Solid

Answer 6

Freezing

Question 7

Solid to Gas

Answer 7

Sublimation

Question 8

Liquid to Gas

Answer 8

Evaporation

Question 9

smallest particle of matter

Answer 9

atom

Question 9

Gas to Liquid

Answer 9

Condensation

Question 10

representation of what an atom could look like

Answer 10

Atomic model

Question 11

particle smaller than an atom

Answer 11

subatomic particle

Question 12

First person to use the term “atom.”

His model was “atomos”

Answer 12

Democritus

Question 13

Believed that matter was made of four natural elements.

He opposed Democritus Ideas.

Answer 13

Aristotle

Question 14

solid sphere/billiard ball model

Answer 14

John Dalton

Question 15

First to discover electrons, Plum Pudding Model

Answer 15

J.J Thomson/ Joseph John Thomson

Question 16

He discovered the nucleus and proton using the gold foil experiment. His atomic model is the nuclear model.

Answer 16

Ernest Rutherford

Question 17

improved the model of Ernest Rutherford. He called his atomic model the planetary model.

Answer 17

Niels Bohr

Question 18

He discovered neutrons, His model was called neutron model

Answer 18

James Chadwick

Question 18

He used Heisenburg’s uncertainty principle to come up with the Electron Cloud Model.

Answer 18

Erwin Schrödinger

Question 19

positively charged when it loses electrons

Answer 19

cation

Question 20

negatively charged when it gains electrons

Answer 20

anion

Question 21

charged atom

Answer 21

ion

Question 22

different number of neutrons

Answer 22

isotopes

Question 23

Lower energy orbital should be filled first before the next higher energy orbital.

Answer 23

Aufbau Principle

Question 24

No two electrons can have exactly the same amount of quantum numbers.

Answer 24

Pauli Exclusion Principle

Question 25

Every orbital of the same energy must be singly occupied with one electron before any orbital is double occupied.

Answer 25

Hund's rule

Question 26

law of triads.

Answer 26

Johann Dobereiner

Question 27

He then created the Telluric screw

Answer 27

Alexander Béguyer de Chancourtois

Question 28

this is called the law of octaves.

Answer 28

John Newlands

Question 29

He then arranged the elements by increasing atomic mass

Answer 29

Dmitri Mendeleev

Question 29

Published his own arrangement based on increasing atomic mass similar to that of Mendeleev.

Answer 29

Lothar Meyer

Question 30

He Determined the atomic number

Answer 30

Henry Moseley

Question 31

discovered transuranic elements (actinide and lanthanide)

Answer 31

Glenn Seaborg

Question 32

The horizontal arrangement (nasa gilid)

Answer 32

Period

Question 33

the vertical arrangement (sa taas)

Answer 33

Group

Question 34

Group 1 - 2

Answer 34

Alkali / Earth metals

Question 35

Group 3-12

Answer 35

Transition Metals

Question 36

Group 13-12

Answer 36

Icosagens and Crystallogens

Question 37

Group 15-16

Answer 37

Pnictogens and Chalcogens

Question 38

Group 17

Answer 38

Halogens

Question 39

Group 18

Answer 39

Noble Gases

Question 40

Also known as atomic radius, it is one-half the distance between the nuclei of two atoms.

Answer 40

Atomic Size

Question 41

It also measures the size of the atoms.

Answer 41

Atomic Size

Question 42

It increases from right to left and up to down.

Answer 42

Atomic Size

Question 43

Amount of energy required to remove an electron

Answer 43

Ionization Energy

Question 44

It increases from left to right and bottom to top

Answer 44

Ionization Energy

Question 45

The ability for elements to attract valence electrons

Answer 45

Electronegativity

Question 46

can be found by counting the number of groups from left to right, excluding transition metals

Answer 46

Valence electrons

Question 47

It is the ability of an atom to accept an electron.

Answer 47

Electron Affinity