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Chemestry > Chapter 3 Atoms > Flashcards

Chapter 3 Atoms Flashcards

1
Q

What’s an atom

A

Smallest particle of an element which takes part in a chemical reaction

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2
Q

What’s the other name for atomic number

A

Proton number

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3
Q

What’s an isotope

A

Atoms of an element with same atomic number but different mass number

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4
Q

Name some common radicals

A 
Ammonia  1 
Ammonium 1
Hydroxide 1
Nitrate 1
Sulphate 2
Sulfite 2 
Sulphide 2
Carbonate 2
Oxygen 2
Phosphate 3
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5
Q

What’s electronic configuration

A

The representation of arrangements of electron in an orbit

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6
Q

What are group 7 element called

A

Halogen

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7
Q

What’s the color of fluorine

A

A colourless gas

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8
Q

What’s the other name of inert gases

A

Noble gases

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9
Q

Iron II oxide + aluminum > aluminum oxide + iron

What happened to aluminum

A

It was oxidized

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10
Q

Zn + pb(no3)2- pb + zn(no3)4

What’s the reaction called

A

Redox reaction

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11
Q

Name example of decomposition reaction

A

Cuso4 + H2 - cu + H2so4

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12
Q

What’s an electrovalent bond

A

Bond between a metal and non metals

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13
Q

Allotropy is caused by the

A

Possibility of more than one arrangement of atoms

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14
Q

Name an example of an allotrope

A

Carbon allotrope like

Diamond
Graphite

Sulphur

X-sulphur
B-sulphur

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15
Q

What’s the other name for electrovalent bonding

A

Ionic bonding

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16
Q

What’s a displacement reaction

A

More reactive metal takes place of less reactive metal of its group

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17
Q

What’s a catalyst

A

Substance that alters rate of the reaction

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18
Q

Steam reacts with carbon

Which one is a oxidizing argent

A

Steam

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19
Q

Name some properties of transition metals

A

Higher density

Higher melting and boiling point

They used as catalyst

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20
Q

What’s the color of chlorine

A

Is a green gas

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21
Q

What are group 0 elements called

A

Inert gases

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22
Q

What are periods

A

Are horizontal raw

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23
Q

What’s an element

A

Substance that cannot be split into two eg Mg

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24
Q

Name some examples of an isotope

A

Hydrogen

Carbon

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25
Q

What letter denotes atomic number

A

Z

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26
Q

What’s an atom made of

A

Nucleus - protons and neutrons

Electrons

27
Q

What’s the charge of protons

A

Positive charge

28
Q

Proton are same with

A

Electrons

29
Q

What’s an ion

A

It’s a charged particle

30
Q

What’s a compound

A

Substance made of two or more substances chemically combine

Cap

31
Q

What are group

A

Vertical column of elements

32
Q

Transition metals are in group

A

Between 2 : 3

33
Q

What’s the color of bromine

A

Brown liquid

34
Q

What reaction occurs between sodium hydroxide and sulphuric acid

A

Naturalization

35
Q

What an oxidizing agent

A

Which causes oxidation

36
Q

What’s decomposition

A

When a single compound broken into two product

37
Q

Name displacement reaction

A

Zn + cuso - znso + cu

38
Q

What are properties of ironic bonding

A

They soluble in water

They are brittle

They not volatile

They have high melting and boiling point

They do not conduct electricity

39
Q

What is metabolic bonding

A

Bonding between metals

40
Q

What are properties of metals

A

They have high densities

They high melting and boiling point

They ductile can drawn into wire

They are lustrous

They shinny

They sonorous produce sound

41
Q

What is covalent bonding

A

Bonding between non metals

42
Q

What is endothermic

A

Involves the absorbing of heat from it surrounding which has a positive enthalpy

43
Q

What’s double decomposition

A

Two compound take part both decomposition and two new substance are formed

44
Q

2 Fe + 3cl2 - 2 kecL3

What’s the reaction called

A

Synthesis reaction

45
Q

When copper II oxide and ammonia to produce coper and nitrogen was it oxidized or reduced

A

Oxidation

46
Q

What’s the color of ammonia

A

Black solid which sublime

47
Q

Name properties of alkaline earth and alkali metals

A

Reactivity increase going down the group

Have low densities

Low melting point and boiling points most reactive

Element which less reactive displace more reactive metals

48
Q

What are molecules

A

Formed by two more atoms

49
Q

What’s a valency

A

Combining power of an element

50
Q

What’s atomic mass number

A

The sum of proton number and neutron number

51
Q

What’s the charge of neutron

A

They are neutral

52
Q

What’s the charge of electrons

A

Negative

53
Q

What are radicals

A

They substance which usually exist as molecules not atoms

54
Q

What is a mixture

A

Substance made of two or more substances physically combine

55
Q

What do we call group one element

A

Alkali metals

56
Q

Which group are earth found

A

Group II

57
Q

What are properties of halogens

A

They have even electrons in outmost shell

They more reactive non metals

They reactively increase going up the group

They become denser and denser going down the group

58
Q

Name properties of inert gases

A

Un reactive because of eight outmost shell

Have an octant

59
Q

Carbon dioxide + carbon - carbon monoxide

Carbon dioxide was

A

Reduced

60
Q

Caco2 - cao + co2

What reaction occurred

A

Decomposition reaction

61
Q

Name an example of decomposition reaction

A

Caco3 - cao + co2

62
Q

What exothermic reaction

A

The release heart to surrounding which has a negative enthalpy

63
Q

What are properties of covalent bonding

A

They are insoluble in water

They have low melting and boiling point

They do not conduct electricity in any state

64
Q

What are allotrope

A

They existence of two or more forms of an element in the physical state

Chemestry (7 decks)

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