4th Monthly Test

Question 1

they lose electrons

Answer 1

Cation

Question 2

they gain electrons

Answer 2

Anion

Question 3

charged atom

Answer 3

Ion

Question 4

Metals are always positive

Answer 4

True

Question 5

Non metals are always negative

Answer 5

True

Question 6

Atoms of the same elements that have the same atomic number but a different mass number

Answer 6

Isotopes

Question 7

Atoms with the same number of protons but different numbers of neutrons

Answer 7

Isotopes

Question 8

It is equivalent to protons

Answer 8

Atomic number

Question 9

It is the combined number of protons, electrons, and neutrons present in its nucleus

Answer 9

Mass number

Question 10

Positive charge of an element

Answer 10

Protons

Question 11

Negative charge of an element

Answer 11

Electrons

Question 12

Neutral charge on an element

Answer 12

Neutrons

Question 13

Region of atom where electrons may be found

Answer 13

Electron cloud

Question 14

Pictorial representation of the electrons in an atom.

Answer 14

Orbital Diagram

Question 15

No two electrons can have the exactly the same set of quantum numbers

Answer 15

Pauli Exclusion Principle

Question 16

States that a lower energy orbital should be filled first before the next higher energy level.

Answer 16

Aufbau Principle

Question 17

States that every orbital of the same energy must be occupied with one electron before any orbital is doubly occupied

Answer 17

Hund’s Rule

Question 18

Represented by whole numbers

Answer 18

Principal quantum numbers (N)

Question 18

values that are used when describing the energy levels of electrons in atoms

Answer 18

Quantum Numbers

Question 19

Represented by sublevel in each energy level

Answer 19

Angular Quantum numbers (L)

Question 20

s (max of e-)

Answer 20

2

Question 21

p (max of e-)

Answer 21

6

Question 22

d (max of e-)

Answer 22

10

Question 23

f (max of e-)

Answer 23

14

Question 24

Describes the orientation in space of an orbital of the given energy

Answer 24

Magnetic quantum numbers (M)

Question 25

Describes the spin of an electron in an orbital

Answer 25

Spin quantum numbers

Question 26

Made up of only one type of atom

Answer 26

Elements

Question 27

How many elements in periodic table

Answer 27

118 elements

Question 28

Three types of Elements

Answer 28

Metal, Metalloid, Nonmetal

Question 29

Vertical columns of the Periodic table ( yung 1-18)

Answer 29

Group

Question 30

Horizontal rows of the Periodic Table (yung 1-7)

Answer 30

Period

Question 31

Roman numerals

Answer 31

Family

Question 32

This attempt was called the law of triads.

Answer 32

Johann Wolfgang Dobreiner

Question 33

He then created the Telluric screw.

Answer 33

Alexander Béguyer de Chancourtois

Question 34

this is called the law of octaves.

Answer 34

John Newlands

Question 35

He began writing a book named The Principles of Chemistry,

Answer 35

Dmitri Mendeleev

Question 36

He Determined the atomic number and he arranged the sequence of elements

Answer 36

Henry Mosely

Question 37

The person who discovered transuranic elements

Answer 37

Glenn Seaborg

Question 38

give the elements of the staircase

Answer 38

B, Si, Ge, As, Sb, Te, Po

Question 39

the staircase is what

Answer 39

example of metalloids

Question 40

under the staircase

Answer 40

example of metals

Question 41

above the staircase

Answer 41

example of non metals

Question 42

what do you call the IA, IIA, IIIA, IVA........

Answer 42

Representative elements

Question 43

These elements lose electrons

Answer 43

s block

Question 44

Has 3 orbitals

Answer 44

p block

Question 45

Boron to Neon Group

Answer 45

p block

Question 46

Has 5 orbitals

Answer 46

d block

Question 47

Scandium to zinc Group

Answer 47

D block

Question 48

Hydrogen to Beryllium Groups block

Answer 48

s block

Question 49

Helium to Radon Group

Answer 49

Noble Gases

Question 50

s (Angular Quantum)

Answer 50

0

Question 51

p (Angular Quantum)

Answer 51

1

Question 52

d (Angular Quantum)

Answer 52

2

Question 53

f (Angular Quantum)

Answer 53

3