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o level science chemistry > Chemical Formulas and Equations > Flashcards

Chemical Formulas and Equations Flashcards

1
Q

Cation

A

Metals-Lose electrons-Positive ion

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2
Q

Anion

A

Non-metals-Gain electrons-Negative ion

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3
Q

+

A

NH4; Ammonium
Ag; Silver

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4
Q

-

A

NO2; nitrate
OH; hydroxide

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5
Q

2-

A

CO3; carbonate
SO4; sulfate

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6
Q

2+

A

Zn; Zinc

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7
Q

Water

A

H2O

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8
Q

Methane

A

CH4

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9
Q

Ammonia Gas

A

NH3

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10
Q

Ethanol

A

CH3CH2OH

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11
Q

Hydrochloric Acid

A

HCL

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12
Q

Nitric Acid

A

HNO3

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13
Q

Sulfuric Acid

A

H2SO4

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14
Q

Ethanoic Acid

A

CH3COOH

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15
Q

Write the ionic equation for the reaction between any acid and alkali/neutralisation

A

H+(aq) + OH-(aq) → H2O(l)

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16
Q

Write the ionic equation for the formation of an insoluble salt.

A

Pb2+ + 2Cl- → PbCl2

17
Q

Write an ionic equation for the formation of a Be2+ ion.

A

Be → Be2+ + 2e-

o level science chemistry (21 decks)

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