Chemistry Flashcards by Alicia Zhuang | Brainscape

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

A

carbon dioxide

Q

c. CO

A

carbon monoxide

Q

c. NH3

A

ammonia

Q

c. CH4

A

methane

Q

c. NaOH

A

sodium hydroxide

Q

c. CuSO4

A

copper sulfate

Q

c. CH3COOH

A

acetic acid

Q

p. NH4(+)

A

ammonium

Q

p. OH(-)

A

hydroxide

Q

p. NO3(-)

A

nitrate

Q

p. CO3(2-)

A

carbonate

Q

p. SO4(2-)

A

sulfate

Q

p. PO4(3-)

A

phosphate

Q

pH - Neutral

A

7 (green)

Q

pH - Acidic

A

1-6 (red to yellow)

Q

pH - Alkaline

A

8-14 (blue to purple/pink)

Q

Complete Combustion

A

fuel + oxygen —> carbon dioxide + water

Q

Incomplete Combustion

A

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

Q

Homogenous Solution

A

same substance throughout

Q

Heterogenous Solution

A

different substance throughout solution

Q

Soluble

A

can be dissolved

Q

Solute

A

substance being dissolved

eg. salt

Q

Solvent

A

substance that does the dissolving

eg. water

Q

(s)

A

solid

Q

(l)

A

liquid

Q

(g)

A

gas

Q

(aq)

A

aqueous

Q

—>

A

catalyst

eg. heat

Q

|

A

escaping gas

Q

△

A

change in temperature