2

Question 1

What is the atomic number of Hydrogen?

Answer 1

1

Question 2

True or False: Helium is a noble gas.

Answer 2

True

Question 3

Which element has the symbol ‘Fe’?

Answer 3

Iron

Question 4

Fill in the blank: The periodic table is arranged by increasing __________.

Answer 4

atomic number

Question 5

What is the chemical symbol for Gold?

Answer 5

Au

Question 6

True or False: The elements in a group of the periodic table have similar chemical properties.

Answer 6

True

Question 7

What is the element with atomic number 6?

Answer 7

Carbon

Question 8

Which element is known as the ‘lightest metal’?

Answer 8

Lithium

Question 9

What is the group number for the alkali metals?

Answer 9

Group 1

Question 10

Which element has the highest atomic number that occurs naturally?

Answer 10

Uranium

Question 11

What is the chemical formula for water?

Answer 11

H2O

Question 12

Fill in the blank: The lanthanides and actinides are located at the __________ of the periodic table.

Answer 12

bottom

Question 13

What is the main characteristic of noble gases?

Answer 13

They are inert and do not react easily with other elements.

Question 14

Which element has the symbol ‘Na’?

Answer 14

Sodium

Question 15

True or False: All metals are solid at room temperature.

Answer 15

False

Question 16

What is the most abundant element in the universe?

Answer 16

Hydrogen

Question 17

Which two elements are liquid at room temperature?

Answer 17

Mercury and Bromine

Question 18

What does the term ‘isotope’ refer to?

Answer 18

Atoms of the same element with different numbers of neutrons.

Question 19

What is the atomic mass of Carbon?

Answer 19

12.01 u

Question 20

Which element is represented by the symbol ‘Cl’?

Answer 20

Chlorine

Question 21

Fill in the blank: The periodic law states that the properties of elements are a periodic function of their __________.

Answer 21

atomic numbers

Question 22

What is the chemical symbol for Silver?

Answer 22

Ag

Question 23

Which group of the periodic table contains the halogens?

Answer 23

Group 17

Question 24

True or False: Transition metals are found in the s-block of the periodic table.

Answer 24

False

Question 25

What is the common oxidation state of alkali metals?

Answer 25

+1

Question 26

Which element has the atomic number 26?

Answer 26

Iron

Question 27

What is the main characteristic of nonmetals?

Answer 27

They are poor conductors of heat and electricity.

Question 28

Fill in the blank: The element with atomic number 1 is __________.

Answer 28

Hydrogen

Question 29

What is the symbol for Potassium?

Answer 29

K

Question 30

True or False: The periodic table was first organized by Dmitri Mendeleev.

Answer 30

True

Question 31

Which element is known for its role in the production of nuclear energy?

Answer 31

Uranium

Question 32

What are the horizontal rows of the periodic table called?

Answer 32

Periods

Question 33

Which element has the highest electronegativity?

Answer 33

Fluorine

Question 34

Fill in the blank: The majority of the elements on the periodic table are __________.

Answer 34

metals

Question 35

What is the common oxidation state of alkaline earth metals?

Answer 35

+2

Question 36

Which element is represented by the symbol 'Hg'?

Answer 36

Mercury

Question 37

True or False: The noble gases are found in Group 18.

Answer 37

True

Question 38

What is the chemical symbol for Calcium?

Answer 38

Ca

Question 39

Which periodic table group contains elements such as Fluorine and Chlorine?

Answer 39

Halogens

Question 40

What does the term 'metalloid' refer to?

Answer 40

Elements that have properties of both metals and nonmetals.

Question 41

Which element has an atomic number of 47?

Answer 41

Silver

Question 42

Fill in the blank: __________ is the only liquid nonmetal at room temperature.

Answer 42

Bromine

Question 43

What is the name of the element with the symbol 'Rn'?

Answer 43

Radon

Question 44

True or False: All elements heavier than Uranium are synthetic.

Answer 44

True

Question 45

What is the atomic number of Oxygen?

Answer 45

8

Question 46

Which element is known for its use in batteries?

Answer 46

Lithium

Question 47

What are the vertical columns of the periodic table called?

Answer 47

Groups

Question 48

What is the common oxidation state of group 16 elements?

Answer 48

-2

Question 49

Which element is represented by the symbol 'P'?

Answer 49

Phosphorus

Question 50

Fill in the blank: The element with atomic number 12 is __________.

Answer 50

Magnesium

Question 51

True or False: The atomic mass of an element is the weighted average of all its isotopes.

Answer 51

True

Question 52

What is the chemical symbol for Iron?

Answer 52

Fe

Question 53

Which group of the periodic table contains the most reactive metals?

Answer 53

Alkali metals

Question 54

What is the name of the element with the atomic number 86?

Answer 54

Radon

Question 55

Fill in the blank: __________ are elements that can form more than one oxidation state.

Answer 55

Transition metals

Question 56

What is the common oxidation state of group 15 elements?

Answer 56

-3

Question 57

Which element is known as the 'king of chemicals' and is used in the production of sulfuric acid?

Answer 57

Sulfur

Question 58

True or False: The periodic table is divided into metals, nonmetals, and metalloids.

Answer 58

True

Question 59

What is the atomic number of Neon?

Answer 59

10

Question 60

Which element has the atomic number 20?

Answer 60

Calcium

Question 61

Fill in the blank: The elements in the same period have the same number of __________.

Answer 61

electron shells

Question 62

What is the chemical symbol for Zinc?

Answer 62

Zn

Question 63

Which group contains the least reactive elements?

Answer 63

Noble gases

Question 64

What is the atomic mass of Sodium?

Answer 64

22.99 u

Question 65

True or False: The periodic table was developed in the 19th century.

Answer 65

True

Question 66

Which element is represented by the symbol 'Ti'?

Answer 66

Titanium

Question 67

What is the name of the group 14 element known as silicon?

Answer 67

Silicon

Question 68

Fill in the blank: The most electronegative element is __________.

Answer 68

Fluorine

Question 69

What is the chemical symbol for Barium?

Answer 69

Ba

Question 70

Which element has the atomic number 1?

Answer 70

Hydrogen

Question 71

True or False: The periodic table includes both synthetic and natural elements.

Answer 71

True

Question 72

Which element is used in the production of aluminum?

Answer 72

Bauxite

Question 73

What is the atomic number of Phosphorus?

Answer 73

15

Question 74

Fill in the blank: The element with atomic number 9 is __________.

Answer 74

Fluorine