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MeScience > 8.5 - Reactivity > Flashcards

8.5 - Reactivity Flashcards

1
Q

What is the formula and charge on a ammonium ion

A

NH₄⁺

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2
Q

What is the formula and charge on a Nitrate ion

A

NO₃⁻

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3
Q

What is the formula and charge on a Hydroxide ion

A

OH⁻

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4
Q

What is the formula and charge on a Sulphate ion

A

So₄²⁻

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5
Q

What is the formula and charge on a Carbonate ion

A

Co₃²⁻

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6
Q

What are the 4 ways to make salt from the metals

A

Metal + Acid → Salt + Hydrogen
Metal Oxide + Acid → Salt + Water
Metal Hydroxide + Acid → Salt + Water
Metal Carbonate + Acid → Salt + Water + Carbon dioxide

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7
Q

What is a displasement reaction

A

When a more reactive metal displaces a less reactive metal and causes a reaction

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8
Q

Why can Iron displace copper from its compound

A

because copper is more reactive

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9
Q

What is a Thermite reaction?

A

Aluminium + Iron Oxide → Iron + Aluminium Oxide

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10
Q

What are the steps in a blast fernace symbol equasion

A

C + O₂ → CO₂
CO₂ + C → 2CO
Fe₂O₃ + 2CO → 2Fe + 3CO₂

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11
Q

What is CO

A

Carbon Monoxide

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12
Q

What is the symbol for Oxide

A

O₂

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13
Q

What is the symbol for Nitrate

A

NO₃

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14
Q

What is the symbol for Carbonate

A

CO₃²⁻

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15
Q

What is the symbol for Sulphate

A

SO₄²⁻

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16
Q

What is the symbol for Hydroxide

A

OH⁻

17
Q

What does Diatomic mean?

A

made up of 2 atoms

18
Q

What is a example of a Diatomic

A

O₂
Cl₂
H₂

19
Q

What is the symbol charge for Calcium Carbonate
Ca₂⁺ Co₃²⁻

A

CaCo₃

20
Q

What is the symbol charge for Aluminium Sulphate

A

Al₂(So₄)

21
Q

What is a base

A

A base is the opposite of a acid. Some bases can dissolve in water. THey are called alkalis

22
Q

What is a exothermic reaction

A

reaction-Gives out energy and the temprature increases

23
Q

What is a endothermic Reaction

A

reaction-Takes in energy and the temprature decreases

MeScience (7 decks)

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