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Chemistry SL > Topic 3.3 Chemical Properties > Flashcards

Topic 3.3 Chemical Properties Flashcards

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1
Q

Define molecular covalent

A

only covalent when existing as molecules

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2
Q

What is the oxide of Na?

A

Na2O

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3
Q

Alkali metals’ reaction with water is through the ________ reaction.

A

displacement

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4
Q

Reactivity of an alkali increases (down/up) a group

A

down

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5
Q

How does sulfur oxide conduct electricity in MOLTEN (liquid) state?

A

none

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6
Q

Charge of Al?

A

+3

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7
Q

Complete the reaction:

SO3(l) + H2O(l) -> _______________

A

H2SO4(aq)

(sulphuric acid)

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8
Q

Oxide of phosphorus

A

P4O10

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9
Q

Amphoterics act as a(n) _________ when reacted with an acid.

A

base

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10
Q

Complete the Reaction:

MgO(s) + H2O(l) -> _______________

A

Mg(OH)2(aq)

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11
Q

Charge on Na?

A

+1

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12
Q

Acidic/Basic Character of Na2O

A

Very basic

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13
Q

Structure of chlorine oxide?

A

Molecular covalent

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14
Q

How does SiO2 conduct electricity in MOLTEN (liquid) state?

A

very LOW

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15
Q

Define monotomic

A

Monotomic: exist as SINGLE atoms.

Mono-> single

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16
Q

What does alkali mean?

A

basic

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17
Q

Alkali metals are found where in nature?

A

Trick question,

they’re too reactive to occur naturally (use electrolysis to obtain them)

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18
Q

Electronegavity increases across a period from ________ to ________? (element names)

A

From Na to Cl2

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19
Q

Metallic nature of P (Phosphorus)

A

Nonmetal

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20
Q

Charge of S?

A

+6/+4

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21
Q

All oxides are found to be solid except in ______, ________, and ________.

A

S and Cl and P

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22
Q

Metallic nature of Na?

A

Metal

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23
Q

Structure of Silicon Oxide

A

Giant covalent

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24
Q

How does MgO conduct electricity in MOLTEN (liquid) state?

A

High

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25
Q

Complete the reaction:

Na2O(s) + H2O(l) -> _________(__)

A

2NaOH(aq)

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26
Q

Halogens and alkaline metals form ______ through the reaction of ________

A

Halides, displacement

27
Q

Structure of MgO

A

GIant ionic

28
Q

Amphoteric oxides act as a(n) ______ when reacted with a base.

A

acid

29
Q

Metallic nature of Si?

A

Metalloid

30
Q

Why are Noble gases so unreactive? (3 reasons)

A

Because they’re uppity jerks.

  • stable octent in e- arrangement (don’t gain electron)
  • don’t form ions (gain/lose)
  • uber high ionization energy (don’t lose electron)
31
Q

How does Al2O3 conduct electricity in MOLTEN (liquid) state?

A

High

32
Q

Oxide of sulfur

A

SO3

33
Q

Acidic/basic characteristic of sulfur oxide

A

acidic

34
Q

Structure of Al2O3

A

Giant Ionic

35
Q

where are Alkali metals stored and why?

A

In oil to isolate them from air and water

36
Q

Structure of phosphorus oxide

A

Molecular covalent

37
Q

Acidic/Basic character of Aluminum Oxide (Al2O3)

A

Amphoteric (act as acid or base)

38
Q

How does chlorine oxide conduct electricity in MOLTEN state?

A

none

39
Q

Structure of silicon oxide

A

molecular covalent

40
Q

Charge of Si?

A

+4

41
Q

Charge of Cl2?

A

+7/+1

42
Q

Acidic/basic character of silicon oxide

A

amphoteric (meaning?)

43
Q

Chemical Properties of Alkali Metals:

  • ?
  • ?
  • ?
  • ?
A

Chemical Properties of Alkali Metals:

  • Extremely reactive
  • ionic bonds with nonmetals
  • form metals+
  • low ionization energy (that’s why they give up their electron so quickly)
44
Q

Oxide of Mg?

A

MgO

45
Q

Reactivity of Halogens’ increases as you go (down/up) the group

A

up

46
Q

Chemical Properties of Halogens:

  • ?
  • ?
  • ?
  • ?
A

Chemical Properties of Halogens:

  • very reactive with nonmetals
  • form ionic bonds with metals
  • high effective charge (because many protons)
  • one electron fills their whole octet
47
Q

Oxide of Aluminum

A

Al2O3

48
Q

Metallic nature of Sulfur

A

nonmetal

49
Q

Charge of Mg?

A

+2

50
Q

acidic/basic character of chlorine oxide

A

acidic

51
Q

Metallic nature of Mg?

A

Metal

52
Q

How does phosphorus oxide conduct electricity in MOLTEN (liquid) state?

A

none

53
Q

Acidic/Basic characteristic of Phosphorus oxide

A

acidic

54
Q

Physical Properties of Alkali Metals:

  • ______________
  • ______________
  • ______________
A

Physical Properties of Alkali Metals:

  • good conductors of electricity
  • low density
  • shiny surfaces when sliced
55
Q

define giant covalent

A

repeated covalent bonds

56
Q

Charge of P?

A

+5/+3

57
Q

Physical Properties of Halogens:

  • ?
  • ?
A

Physical Properties of Halogens:

  • colurful
  • turn from gas -> liquid -> solid as you go down the group
58
Q

Metallic nature of Cl2

A

nonmetal

59
Q

Acidic/Basic character of MgO

A

basic

60
Q

Structure of Na2O

A

Giant Ionic Structure

61
Q

Metallic nature of Al?

A

Metal

62
Q

Oxide(s) of Chlorine?

A

Cl2O7 (g)

Cl2O (g)

63
Q

How does Na2O conduct electricity in MOLTEN (liquid) state?

A

High level

64
Q

Properties of Noble Gases

  • __________
  • __________
  • __________
A

Properties of Noble Gases

  • colorless gases
  • monotomic
  • unreactive

Chemistry SL (4 decks)

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