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GCSE Chemistry > Crucial Formulas > Flashcards

Crucial Formulas Flashcards

1
Q

What is the chemical formula for Ammonia?

A

NH3

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2
Q

What is the chemical formula for ammonium?

A

NH4^+

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3
Q

What is the chemical formula for methane?

A

CH4

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4
Q

What is the chemical formula for sodium chloride?

A

NaCl

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5
Q

What does the ending ‘- ide’ state about the formula?

A

It is a singular element (eg: Oxide= oxygen)

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6
Q

What is the chemical formula for carbon dioxide?

A

CO2

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7
Q

What is the chemical formula for water?

A

H2O

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8
Q

What is the chemical formula for silicone dioxide (sand)?

A

SiO2

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9
Q

What is the chemical formula for carbonate?

A

CO3^2-

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10
Q

What is the chemical formula for hydrochloric acid?

A

HCl
[H]^+ [Cl]^-

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11
Q

What is the chemical formula for nitrate?

A

NO3^-

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12
Q

What is the chemical formula for nictric acid?

A

HNO3

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13
Q

What is the chemical formula for sulfate?

A

SO4^2-

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14
Q

What is the chemical formula for sulfuric acid?

A

H2SO4

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15
Q

What is the chemical formula for phosphate?

A

PO4^3-

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16
Q

What is the chemical formula for phosphoric acid?

A

H3PO4

17
Q

What is the chemical formula for ethanoic acid? (Not in test)

A

CH3COOH
[H]^+ [CH3COO]^-

18
Q

What is the chemical formula for ethanoate? (Not in test)

A

CH3COO^-

GCSE Chemistry (4 decks)

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