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chemistry > Names Of Compounds/ Things > Flashcards

Names Of Compounds/ Things Flashcards

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1
Q

Water

A

H2O

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2
Q

Ammonia

A

NH3

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3
Q

Why would the name end in -ide?

A

If there are only 2 elements present

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4
Q

Ending for hydroxides

A

-OH

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5
Q

Ending for cyanides

A

-CN

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6
Q

Why do we use Roman numerals in brackets

A

If the element has more than one oxidation state we show the charge of the element in Roman numerals e.g. Iron(II) chloride = FeCl2 and Iron(III) chloride = FeCl3

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7
Q

What happens when there are 2 non metals

A

The actual number of the atoms in the element present are stated e.g. CO = Carbon Monoxide
CO2 = Carbon Dioxide
SO2 = Sulfur Dioxide. It could be called Sulfur(IV) Oxide because Oxygen is diatomic and so the Roman numerals go up in 2s

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8
Q

Carry on the pattern - 1 = mon-

A 
2= di-
3= tri-
4= tetra-
5= penta-
6= hexa-
7= hepta-
8= octa-
9= nona-
10= deca-
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9
Q

Formula for carbonate

A

CO3 2-

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10
Q

Formula for Sulfate

A

SO4 2-

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11
Q

Formula for Nitrate

A

NO3 -

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12
Q

Write the formula for Sulfite

A

SO3 2-

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13
Q

Write the formula for Nitrite

A

NO2 -

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14
Q

Write the formula for Chlorate

A

ClO3 -

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15
Q

Write the formula for Hypochlorite

A

ClO3 -

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16
Q

Write the formula for Sulfuric Acid

A

H2SO4 2-

17
Q

Write the formula for Nitric Acid

A

HNO3

18
Q

Write the formula for Hydrochloric Acid

A

HCl

19
Q

Write the formula for Methane

A

CH4

20
Q

Write the name and formula for the first 5 Hydrocarbons and then write the rule for working them out after the first 4.

A 
Methane - CH4
Ethane - C2H6
Propane - C3H8
Butane - C4H10
Pentane - C5H12

C6 = hex- and so on

21
Q

What do the elements Nitrogen and Hydrogen join to create

A

The ammonium group. NOT to be confused with the compound ammonia.

Formula = NH4^+

It generally sits in the place taken by a metal in a formula

chemistry (9 decks)

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