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Chemistry > Atomic Structure > Flashcards

Atomic Structure Flashcards

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1
Q

Isotopes definition

A

Atomskf the same element with the same number of protons but different numbers of neutrons

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2
Q

Relative isotopic mass definition

A

The mass of one isotope compared to one twelfth of the mass of one atom of carbon-12

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3
Q

Relative atomic mass definition

A

The weighted mean mass of one atom compared to one twelfth of the mass of one atom of carbon-12

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4
Q

Relative molecular mass definition

A

The average mass of a molecule compared to one twelfth of the mass of one atom of carbon-12

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5
Q

Calculate relative atomic mass of an element

A

(Sum of (isotopic mass x abundance) ) / sum of abundances

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6
Q

Group 1 ion charge

A

+1

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7
Q

Group 2 ion charge

A

+2

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8
Q

Group 3 ion charge

A

+3

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9
Q

Group 5 ion charge

A

-3

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10
Q

Group 6 ion charge

A

-2

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11
Q

Group 7 ion charge

A

-1

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12
Q

Hydrogen ion charge

A

+1

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13
Q

Silver ion charge

A

+1

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14
Q

Gold ion charge

A

+1

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15
Q

Ammonium ion charge

A

+1

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16
Q

Ammonium ion formula

A

NH4

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17
Q

Zinc ion charge

A

+2

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18
Q

Copper(II) ion charge

A

+2

19
Q

Iron(II) ion charge

A

+2

20
Q

Tin ion charge

A

+2

21
Q

Lead ion charge

A

+2

22
Q

Iron(III) ion charge

A

+3

23
Q

Phosphate ion charge

A

-3

24
Q

Phosphate ion formula

A

PO4

25
Q

Carbonate ion charge

A

-2

26
Q

Carbonate ion formula

A

CO3

27
Q

Sulfate ion charge

A

-2

28
Q

Sulfate ion formula

A

SO4

29
Q

Nitrate ion charge

A

-1

30
Q

Nitrate ion formula

A

NO3

31
Q

Hydroxide ion charge

A

-1

32
Q

Hydroxide ion formula

A

OH

33
Q

Spectator ions do not change…

A
  • Oxidation number
  • State
34
Q

Proton relative mass

A

1

35
Q

Proton relative charge

A

+1

36
Q

Neutron relative mass

A

1

37
Q

Neutron relative charge

A

0

38
Q

Electron relative mass

A

1/800

39
Q

Electron relative charge

A

-1

40
Q

Atomic number is the number of what

A

Protons

41
Q

Mass number is the number of what

A

Total of protons and neutrons

42
Q

Calcium chloride formula

A

CaCl2

43
Q

Sodium carbonate formula

A

Na2CO3

Chemistry (2 decks)

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