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chemistry alevel > chemical literacy (formulae) > Flashcards

chemical literacy (formulae) Flashcards

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1
Q

what is the definition of an monatomic molecule?

A

a molecule that is made up of one atom

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2
Q

what is a simple molecular molecule also known as and why?

A

diatomic molecule as they exist in pairs for a full shell

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3
Q

how many bonds does nitrogen have?

A

a triple bond

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4
Q

how many bonds does oxygen have?

A

a double bond

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5
Q

what is the chemical formula of phosphorus?

A

P₄

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6
Q

what is the chemical formula of sulphur?

A

S₈

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7
Q

what is the chemical formula of ozone?

A

O₃

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8
Q

what does ionic bonding require and why?

A

it requires two elements (non metal+metal) to form an iconic compound

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9
Q

what is the chemical formula of nitrogen monoxide?

A

NO

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10
Q

what is the chemical formula of nitrogen dioxide?

A

NO₂

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11
Q

what is the chemical formula of sulphur dioxide?

A

SO₂

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12
Q

what is the chemical formula of sulphur trioxide?

A

SO₃

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13
Q

what is the chemical formula of ammonia?

A

NH₃

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14
Q

what is the chemical formula of methane?

A

CH₄

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15
Q

what is the chemical formula of hydrogen sulphide?

A

H₂S

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16
Q

what is the chemical formula of silver?

A

Ag⁺

17
Q

what is the chemical formula of zinc

A

Zn²⁺

18
Q

what is the chemical formula of ammonium

A

NH₄⁺

19
Q

what is the chemical formula of hydrogen

A

H⁺

20
Q

what is the chemical formula of nitrate

A

NO₃⁻

21
Q

what is the chemical formula of sulphate

A

SO₄²⁻

22
Q

what is the chemical formula of carbonate

A

CO₃²⁻

23
Q

what is the chemical formula of hydrogen carbonate

A

HCO₃⁻

24
Q

what is the chemical formula of hydroxide

A

OH⁻

25
Q

what is the chemical formula of hydride

A

H⁻

26
Q

what is the chemical formula of phosphate

A

PO₄³⁻

27
Q

In group 1, what charge ions does it form?

A

1+

28
Q

In group 2, what charge ions does it form?

A

2+

29
Q

In group 6, what charge ions does it form?

A

2-

30
Q

In group 7, what charge ions does it form?

A

1-

31
Q

what is the chemical formula for hydrochloric acid?

A

HCl

32
Q

what is the chemical formula for sulphuric acid?

A

H₂SO₄

33
Q

what is the chemical formula for nitric acid?

A

HNO₃

34
Q

what is the chemical formula for phosphoric acid

A

H₃PO₄

chemistry alevel (7 decks)

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