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Science Revision > Charges of different ions, formulas and diatomic atoms > Flashcards

Charges of different ions, formulas and diatomic atoms Flashcards

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1
Q

What does diatomic mean?

A

The elements go around in pairs

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2
Q

Which elements are diatomic? (7)

A

Oxygen, Hydrogen, Nitrogen, Chlorine, Iodine, Bromine, Fluorine

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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 sulphuric acid?

A

H2SO4

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6
Q

What is the formula for ammonia?

A

NH4

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7
Q

What is the formula for methane?

A

CH4

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8
Q

What elements and compound have a positive charge of 1? (6)

A

hydrogen, sodium, potassium, lithium, silver, ammonium

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9
Q

What elements have a positive charge of 2? (7)

A

magnesium, calcium, zinc, iron, barium, copper, lead

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10
Q

What elements have a positive charge of 3?

A

aluminium, iron

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11
Q

What elements and compounds have a negative charge of 1? (8)

A

fluoride, chloride, bromide, iodide, nitrate, and
Hydride, hydroxide, hydrogen carbonate

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12
Q

What elements and compounds have a negative charge of 2? (3)

A

sulfide, sulfate, carbonate

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13
Q

What element has a negative charge of 3?

A

nitride

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14
Q

What is the charge of a hydrogen ion?

A

+1

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15
Q

What is the charge of a sodium ion?

A

+1

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16
Q

What is the charge of a lithium ion?

A

+1

17
Q

What is the charge of a potassium ion?

A

+1

18
Q

What is the charge of a silver ion?

A

+1

19
Q

What is the charge of a ammonium ion?

A

+1

20
Q

What is the charge of a magnesium ion?

A

+2

21
Q

What is the charge of a calcium ion?

A

+2

22
Q

What is the charge of a copper ion?

A

+2

23
Q

What is the charge of a iron ion? (ask about this)

A

+2 or +3

24
Q

What is the charge of a lead ion?

A

+2

25
Q

What is the charge of a barium ion?

A

+2

26
Q

What is the charge of an aluminium ion?

A

+3

27
Q

What is the charge of fluoride?

A

-1

28
Q

What is the charge of bromide?

A

-1

29
Q

What is the charge of iodide?

A

-1

30
Q

What is the charge of oxide?

A

-2

31
Q

What is the charge of sulfide?

A

-2

32
Q

What is the charge of nitride?

A

-3

33
Q

What is the charge of hydride?

A

-1

34
Q

What is the charge of chloride?

A

-1

35
Q

What is the formula for hydrogencarbonate?

A

HCO₃⁻

36
Q

What is the formula for sulfate?

A

SO₄²⁻

37
Q

What is the formula for carbonate?

A

CO₃²⁻

38
Q

What is the formula for ammonium?

A

NH₄⁺

39
Q

What is the formula for hydroxide?

A

OH⁻

Science Revision (59 decks)

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