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chemistry > ions, formulae and equations > Flashcards

ions, formulae and equations Flashcards

1
Q

Name the seven diatomic molecules

A

Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine (Have No Fear Of Ice Cold Beer)

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2
Q

The formula for all acids starts with H. Why?

A

Because all acids break apart in water to form H+ ions. The more H+ ions, the stronger the acid

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3
Q

What is the formula for hydrochloric acid?

A

HCl

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4
Q

What is the formula for nitric acid?

A

HNO3

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5
Q

What is the formula for sulfuric acid?

A

H2SO4

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6
Q

The formula for all bases includes OH. Why?

A

Because bases break apart in water to form negatively charged OH ions. The greater the concentration of OH ions, the stronger the base

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7
Q

What is the formula for sodium hydroxide?

A

NaOH

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8
Q

What is the formula for potassium hydroxide?

A

KOH

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9
Q

What is the formula for ammonia solution (ammonium hydroxide)?

A

NH4OH

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10
Q

What is the general equation for the reaction of an acid and a metal?

A

Metal + acid –> salt + hydrogen (MASH)

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11
Q

What is the general equation for the reaction of an acid and a base?

A

Acid + base –> salt + water (SWAB)

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12
Q

What is the general equation for the reaction of an acid and a carbonate?

A

Acid + carbonate –> salt + water + CO2

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13
Q

What is the formula for a hydroxide ion?

A

OH-

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14
Q

What is the formula for a carbonate ion?

A

CO3 2-

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15
Q

What is the formula for a nitrate ion?

A

NO3-

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16
Q

What is the formula for a sulphate ion?

A

SO4 2-

chemistry (7 decks)

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