2 Flashcards

1
Q

What is the atomic number of Hydrogen?

A

1

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2
Q

True or False: Helium is a noble gas.

A

True

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3
Q

Which element has the symbol ‘Fe’?

A

Iron

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4
Q

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

A

atomic number

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5
Q

What is the chemical symbol for Gold?

A

Au

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6
Q

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

A

True

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7
Q

What is the element with atomic number 6?

A

Carbon

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8
Q

Which element is known as the ‘lightest metal’?

A

Lithium

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9
Q

What is the group number for the alkali metals?

A

Group 1

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10
Q

Which element has the highest atomic number that occurs naturally?

A

Uranium

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11
Q

What is the chemical formula for water?

A

H2O

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12
Q

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

A

bottom

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13
Q

What is the main characteristic of noble gases?

A

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

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14
Q

Which element has the symbol ‘Na’?

A

Sodium

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15
Q

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

A

False

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16
Q

What is the most abundant element in the universe?

A

Hydrogen

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17
Q

Which two elements are liquid at room temperature?

A

Mercury and Bromine

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18
Q

What does the term ‘isotope’ refer to?

A

Atoms of the same element with different numbers of neutrons.

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19
Q

What is the atomic mass of Carbon?

A

12.01 u

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20
Q

Which element is represented by the symbol ‘Cl’?

A

Chlorine

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21
Q

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

A

atomic numbers

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22
Q

What is the chemical symbol for Silver?

A

Ag

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23
Q

Which group of the periodic table contains the halogens?

A

Group 17

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24
Q

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

A

False

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25
Q

What is the common oxidation state of alkali metals?

A

+1

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26
Q

Which element has the atomic number 26?

A

Iron

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27
Q

What is the main characteristic of nonmetals?

A

They are poor conductors of heat and electricity.

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28
Q

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

A

Hydrogen

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29
Q

What is the symbol for Potassium?

A

K

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30
Q

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

A

True

31
Q

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

A

Uranium

32
Q

What are the horizontal rows of the periodic table called?

A

Periods

33
Q

Which element has the highest electronegativity?

A

Fluorine

34
Q

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

A

metals

35
Q

What is the common oxidation state of alkaline earth metals?

A

+2

36
Q

Which element is represented by the symbol ‘Hg’?

A

Mercury

37
Q

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

A

True

38
Q

What is the chemical symbol for Calcium?

A

Ca

39
Q

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

A

Halogens

40
Q

What does the term ‘metalloid’ refer to?

A

Elements that have properties of both metals and nonmetals.

41
Q

Which element has an atomic number of 47?

A

Silver

42
Q

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

A

Bromine

43
Q

What is the name of the element with the symbol ‘Rn’?

A

Radon

44
Q

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

A

True

45
Q

What is the atomic number of Oxygen?

A

8

46
Q

Which element is known for its use in batteries?

A

Lithium

47
Q

What are the vertical columns of the periodic table called?

A

Groups

48
Q

What is the common oxidation state of group 16 elements?

A

-2

49
Q

Which element is represented by the symbol ‘P’?

A

Phosphorus

50
Q

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

A

Magnesium

51
Q

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

A

True

52
Q

What is the chemical symbol for Iron?

A

Fe

53
Q

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

A

Alkali metals

54
Q

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

A

Radon

55
Q

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

A

Transition metals

56
Q

What is the common oxidation state of group 15 elements?

A

-3

57
Q

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

A

Sulfur

58
Q

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

A

True

59
Q

What is the atomic number of Neon?

A

10

60
Q

Which element has the atomic number 20?

A

Calcium

61
Q

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

A

electron shells

62
Q

What is the chemical symbol for Zinc?

A

Zn

63
Q

Which group contains the least reactive elements?

A

Noble gases

64
Q

What is the atomic mass of Sodium?

A

22.99 u

65
Q

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

A

True

66
Q

Which element is represented by the symbol ‘Ti’?

A

Titanium

67
Q

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

A

Silicon

68
Q

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

A

Fluorine

69
Q

What is the chemical symbol for Barium?

A

Ba

70
Q

Which element has the atomic number 1?

A

Hydrogen

71
Q

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

A

True

72
Q

Which element is used in the production of aluminum?

A

Bauxite

73
Q

What is the atomic number of Phosphorus?

A

15

74
Q

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

A

Fluorine