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CHEMISTRY Y9 > FORMULAE > Flashcards

FORMULAE Flashcards

1
Q

What are the components of ionic compounds?

A

Positive and negative ions.

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2
Q

What is the formula for a hydrogen ion?

A

H+

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3
Q

What is the charge of sodium ion?

A

1+

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4
Q

What is the formula for a potassium ion?

A

K+

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5
Q

What is the formula for a silver ion?

A

Ag+

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6
Q

What is the formula for an ammonium ion?

A

NH4+

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7
Q

What is the charge of magnesium ion?

A

2+

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8
Q

What is the formula for a calcium ion?

A

Ca2+

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9
Q

What is the formula for a copper (II) ion?

A

Cu2+

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10
Q

What is the formula for a zinc ion?

A

Zn2+

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11
Q

What is the charge of iron (II) ion?

A

2+

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12
Q

What is the formula for a lead ion?

A

Pb2+

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13
Q

What is the charge of barium ion?

A

2+

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14
Q

What is the formula for an aluminium ion?

A

Al3+

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15
Q

What is the charge of iron (III) ion?

A

3+

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16
Q

What is the formula for a fluoride ion?

A

F-

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17
Q

What is the charge of a chloride ion?

A

1-

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18
Q

What is the formula for a bromide ion?

A

Br-

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19
Q

What is the formula for an iodide ion?

A

I-

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20
Q

What is the formula for a hydroxide ion?

A

OH-

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21
Q

What is the formula for a nitrate ion?

A

NO3-

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22
Q

What is the formula for a hydrogencarbonate ion?

A

HCO3-

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23
Q

What is the formula for a hydride ion?

A

H-

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24
Q

What is the charge of an oxide ion?

A

2-

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25
Q

What is the formula for a sulfide ion?

A

S2-

26
Q

What is the formula for a carbonate ion?

A

CO3^2-

27
Q

What is the formula for a sulfate ion?

A

SO4^2-

28
Q

What is the charge of a nitride ion?

A

3-

29
Q

Fill in the blank: The formula for a calcium ion is _______.

A

Ca2+

30
Q

Fill in the blank: The formula for a nitrate ion is _______.

A

NO3-

31
Q

True or False: The ammonium ion has a formula of NH4+.

A

True

32
Q

True or False: The charge of a sulfate ion is 1-.

A

False

33
Q

What is a suggested method for learning the ionic formulas?

A

Making flashcards.

34
Q

What prefix is used for the number 1 in covalent compound names?

A

mono

Derived from Ancient Greek.

35
Q

What prefix is used for the number 2 in covalent compound names?

A

di

Derived from Ancient Greek.

36
Q

What prefix is used for the number 3 in covalent compound names?

A

tri

Derived from Ancient Greek.

37
Q

What prefix is used for the number 4 in covalent compound names?

A

tetra

Derived from Ancient Greek.

38
Q

What prefix is used for the number 5 in covalent compound names?

A

penta

Derived from Ancient Greek.

39
Q

What prefix is used for the number 6 in covalent compound names?

A

hexa

Derived from Ancient Greek.

40
Q

What is the formula for Carbon dioxide?

A

CO2

Commonly used in many chemical equations.

41
Q

What is the formula for Carbon monoxide?

A

CO

A common gas that can be toxic.

42
Q

What is the formula for Sulphur dioxide?

A

SO2

Emitted from volcanic eruptions and industrial processes.

43
Q

What is the formula for Sulphur trioxide?

A

SO3

Used in the production of sulfuric acid.

44
Q

What is the formula for Phosphorus trichloride?

A

PCl3

A chemical compound used in organic synthesis.

45
Q

What is the formula for Silicon tetrachloride?

A

SiCl4

Used in the production of silicon and in chemical synthesis.

46
Q

What is the formula for Phosphorus pentachloride?

A

PCl5

Used in chlorination reactions.

47
Q

What is the formula for Nitrogen dioxide?

A

NO2

A significant air pollutant.

48
Q

What is the formula for Dinitrogen tetroxide?

A

N2O4

An equilibrium species in the nitrogen dioxide dimerization.

49
Q

What is the formula for Sulfur hexafluoride?

A

SF6

Used as an insulating gas in electrical equipment.

50
Q

What is the formula for Hydrochloric acid?

A

HCl

A strong acid used in various chemical processes.

51
Q

What is the formula for Nitric acid?

A

HNO3

A strong acid used in fertilizers and explosives.

52
Q

What is the formula for Sulphuric acid?

A

H2SO4

One of the most widely used industrial chemicals.

53
Q

What is the formula for Ammonia?

A

NH3

Used in fertilizers and cleaning products.

54
Q

What is the formula for Methane?

A

CH4

A major component of natural gas.

55
Q

What is the formula for Hydrogen?

A

H2

Exists as a diatomic molecule.

56
Q

What is the formula for Oxygen?

A

O2

Essential for respiration in many organisms.

57
Q

What is the formula for Nitrogen?

A

N2

Makes up about 78% of Earth’s atmosphere.

58
Q

What is the formula for Chlorine?

A

Cl2

A diatomic molecule used as a disinfectant.

59
Q

What is the formula for Iodine?

A

I2

Exists as a diatomic molecule in its elemental form.

60
Q

What is the formula for Bromine?

A

Br2

The only non-metal that is liquid at room temperature.

CHEMISTRY Y9 (1 decks)

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