Chemistry Flashcards by Alicia Zhuang

Q

Ionic Compounds

A

metal & non metal, transfers electrons

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Q

Covalent Coumpounds

A

non metal & non metal, shares electrons

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Q

Anions

A

Ions w/ a negative charge

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Q

Cations

A

Ions w/ a positive charge

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Q

Polyatomic Ions

A

Group of ions with more than one atom that has a characteristic charge

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Q

Precipitation Reaction

A

soluble salt + soluble salt —> insoluble salt + soluble salt
OR
AB + CD —> AD + BC

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Q

Neutralisation

A

acid + base —> salt + water

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Q

Thermal Decomposition

A

AB —> A + B

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Q

Corrosion

A

ERODING AWAY BY OXYGEN

metal + oxygen —> metal oxide

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Q

Combustion

A

BURNING OXYGEN

metal + oxygen —> metal oxide

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Q

Metals + Acid

A

—> a salt + hydrogen gas

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Q

Metal Carbonates + Acids

A

—> salt + water + carbon dioxide

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Q

Metal Oxides + Acids

A

—> salt + water

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Q

c. NaCl

A

sodium chloride (salt)

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Q

c. H2O

A

hydrogen oxide (water)

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Q

c. SO2

A

sulphur dioxide

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Q

c. HCl

A

hydrochloric acid

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Q

c. H2SO4

A

sulphuric acid

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Q

c. HNO3

A

nitric acid

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Q

c. CO2

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A

carbon dioxide

Q

c. CO

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A

carbon monoxide

Q

c. NH3

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A

ammonia

Q

c. CH4

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A

methane

Q

c. NaOH

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A

sodium hydroxide

c. CuSO4

copper sulfate

c. CH3COOH

acetic acid

p. NH4(+)

ammonium

p. OH(-)

hydroxide

p. NO3(-)

nitrate

p. CO3(2-)

carbonate

p. SO4(2-)

sulfate

p. PO4(3-)

phosphate

pH - Neutral

7 (green)

pH - Acidic

1-6 (red to yellow)

pH - Alkaline

8-14 (blue to purple/pink)

Complete Combustion

fuel + oxygen —> carbon dioxide + water

Incomplete Combustion

fuel + oxygen —> carbon dioxide + carbon monoxide + water

Homogenous Solution

same substance throughout

Heterogenous Solution

different substance throughout solution

Soluble

can be dissolved

Solute

substance being dissolved | eg. salt

Solvent

substance that does the dissolving | eg. water

(s)

solid

(l)

liquid

(g)

gas

(aq)

aqueous

—>

catalyst | eg. heat

^ | |

escaping gas

△

change in temperature