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Metals And Non-metals Flashcards

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1
Q

What are metals generally characterized by?

A

Metals are generally characterized by high electrical and thermal conductivity, malleability, ductility, and a shiny appearance.

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2
Q

True or False: Non-metals are good conductors of electricity.

A

False

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3
Q

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

A

metals

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4
Q

Which of the following is a property of non-metals? A) Malleability B) High melting points C) Poor conductivity D) Ductility

A

C) Poor conductivity

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5
Q

What is the general trend of metallic character in the periodic table?

A

Metallic character increases down a group and decreases across a period from left to right.

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6
Q

Name two common non-metals.

A

Oxygen and nitrogen.

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7
Q

What is an alloy?

A

An alloy is a mixture of two or more metals, or a metal and a non-metal, that has metallic properties.

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8
Q

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

A

False

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9
Q

Which metal is liquid at room temperature?

A

Mercury

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10
Q

What is the primary use of aluminum?

A

Aluminum is primarily used in packaging, transportation, and construction due to its lightweight and corrosion resistance.

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11
Q

Fill in the blank: Non-metals tend to ______ electrons during chemical reactions.

A

gain

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12
Q

Which group of the periodic table contains the noble gases?

A

Group 18

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13
Q

What is the most reactive group of metals?

A

Alkali metals (Group 1)

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14
Q

True or False: Non-metals can form anions.

A

True

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15
Q

What is the primary characteristic of alkali metals?

A

Alkali metals are highly reactive and have one electron in their outermost shell.

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16
Q

Which of the following is NOT a property of metals? A) Ductility B) Brittle C) High density D) Luster

A

B) Brittle

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17
Q

What is the chemical symbol for gold?

A

Au

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18
Q

Fill in the blank: The transition metals are found in the ______ block of the periodic table.

A

d

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19
Q

What is the significance of the octet rule in non-metals?

A

The octet rule states that non-metals tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

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20
Q

True or False: Metals tend to have high electronegativity.

A

False

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21
Q

What is the primary use of copper?

A

Copper is widely used in electrical wiring and plumbing due to its excellent conductivity.

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22
Q

Which non-metal is essential for respiration in humans?

A

Oxygen

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23
Q

What is a common property of metalloids?

A

Metalloids have properties intermediate between metals and non-metals.

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24
Q

Fill in the blank: The most abundant metal in the Earth’s crust is ______.

A

aluminum

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25
Q

What do you call the process of metals losing electrons?

A

Oxidation

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26
Q

True or False: Iodine is a non-metal.

A

True

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27
Q

What type of bond do metals typically form?

A

Metallic bonds

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28
Q

What is the chemical formula for common salt?

A

NaCl

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29
Q

Name one property that distinguishes metals from non-metals.

A

Metals are typically malleable, while non-metals are not.

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30
Q

Which gas is produced when metals react with acids?

A

Hydrogen gas

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31
Q

Fill in the blank: The group of elements known as halogens is found in group ______ of the periodic table.

A

17

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32
Q

What is a key property of noble gases?

A

Noble gases are inert and do not readily react with other elements.

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33
Q

True or False: All non-metals are gases at room temperature.

A

False

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34
Q

Which element is known as the ‘king of metals’?

A

Gold

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35
Q

What is the significance of the periodic table’s arrangement?

A

The arrangement of the periodic table reflects the periodicity of element properties based on atomic number.

36
Q

Fill in the blank: Metals are usually ______ in color.

A

silver

37
Q

What type of ions do metals form?

A

Cations

38
Q

Which non-metal is commonly used in fertilizers?

A

Nitrogen

39
Q

What is the chemical symbol for iron?

A

Fe

40
Q

True or False: Metals have high melting and boiling points.

A

True

41
Q

What type of bond is formed between metals and non-metals?

A

Ionic bond

42
Q

Which element is a liquid non-metal at room temperature?

A

Bromine

43
Q

Fill in the blank: The most reactive non-metals are the ______.

A

halogens

44
Q

What is the primary use of lead?

A

Lead is used in batteries and radiation shielding.

45
Q

What do you call the shiny appearance of metals?

A

Luster

46
Q

True or False: Non-metals generally have low ionization energies.

A

False

47
Q

What is the process of combining metals called?

A

Alloying

48
Q

Fill in the blank: Metals are usually ______ conductors of heat.

A

good

49
Q

What is a common use for titanium?

A

Titanium is used in aerospace applications due to its strength and low density.

50
Q

Which non-metal is a key component of DNA?

A

Phosphorus

51
Q

What is the chemical symbol for sodium?

A

Na

52
Q

True or False: Silver is a transition metal.

A

True

53
Q

What is the main characteristic of transition metals?

A

Transition metals can form variable oxidation states and colored compounds.

54
Q

Fill in the blank: The most common oxidation state of iron is ______.

A

+2

55
Q

What is the primary use of zinc?

A

Zinc is used for galvanizing iron to prevent rust.

56
Q

What is the chemical formula for carbon dioxide?

A

CO2

57
Q

True or False: Non-metals can be found in all three states of matter at room temperature.

A

True

58
Q

What is the main use of sulfur?

A

Sulfur is primarily used in the production of sulfuric acid.

59
Q

Which non-metal is known for its role in the water cycle?

A

Oxygen

60
Q

Fill in the blank: The chemical symbol for potassium is ______.

A

K

61
Q

What type of bond is formed when two non-metals combine?

A

Covalent bond

62
Q

What is the most abundant non-metal in the universe?

A

Hydrogen

63
Q

True or False: Metals generally have high electronegativities.

A

False

64
Q

What is the primary characteristic of alkali earth metals?

A

Alkali earth metals are reactive and have two electrons in their outermost shell.

65
Q

Fill in the blank: The chemical symbol for chlorine is ______.

A

Cl

66
Q

What is the primary use of magnesium?

A

Magnesium is used in alloys and as a reducing agent in the production of titanium.

67
Q

Which non-metal is most commonly found in the atmosphere?

A

Nitrogen

68
Q

What is the chemical symbol for silver?

A

Ag

69
Q

True or False: All metals can react with water.

A

False

70
Q

What is an example of a metalloid?

A

Silicon

71
Q

Fill in the blank: Metals are typically ______ than non-metals.

A

denser

72
Q

What is the primary characteristic of noble gases?

A

Noble gases are inert and do not readily react with other elements.

73
Q

Which group of elements includes lithium and sodium?

A

Alkali metals (Group 1)

74
Q

Fill in the blank: The most common form of carbon is ______.

A

graphite

75
Q

What is the state of phosphorus at room temperature?

A

Solid

76
Q

True or False: Metals can be brittle.

A

False

77
Q

What is the chemical formula for ammonia?

A

NH3

78
Q

What is the primary use of fluorine?

A

Fluorine is used in the production of fluorinated compounds and as a refrigerant.

79
Q

Fill in the blank: Non-metals have ______ melting and boiling points compared to metals.

A

lower

80
Q

Which metal is commonly used in electrical components?

A

Copper

81
Q

True or False: Non-metals can form covalent bonds.

A

True

82
Q

What is the chemical symbol for nitrogen?

A

N

83
Q

Fill in the blank: The group of elements known as the alkaline earth metals is found in group ______.

A

2

84
Q

What is the primary use of carbon in industry?

A

Carbon is used as a fuel and in the production of steel.

85
Q

Which non-metal is essential for life?

A

Carbon

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