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Chemistry A-level > Chapter 2 > Flashcards

Chapter 2 Flashcards

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1
Q

What is the relative charge on a proton?

A

+1

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2
Q

What is the relative charge on a neutron?

A

0

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3
Q

What is the relative charge on an electron?

A

-1

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4
Q

What is the relative mass on a proton?

A

1

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5
Q

What is the relative mass on a neutron?

A

0

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6
Q

What is the relative mass on an electron?

A

1/2000

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7
Q

What is an isotope?

A

Have same amount of protons and electrons but different amounts of neutrons

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8
Q

What is the mass number on the periodic table?

A

Total number of protons and neutrons in the atom.

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9
Q

What is the atomic number on the periodic table?

A

Number of protons and the neutrons

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10
Q

Are electrons equal to neutrons or protons?

A

Protons

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11
Q

What does it mean when an ion has a charge of 2+?

A

Has lost two electrons.

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12
Q

What does it mean when an ion has a charge of 3-?

A

Has gained three electrons.

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13
Q

What is relative isotopic mass?

A

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

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14
Q

What is relative atomic mass?

A

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

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15
Q

What is the equation for relative atomic mass using % abundance?

A

(Sum of isotopic mass x % abundance)/ 100

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16
Q

What is the equation for relative atomic mass using relative abundance?

A

(Sum of isotopic mass x relative abundance)/ total relative abundance.

17
Q

What is the Nitrate ion?

A

NO 3-

18
Q

What is the Carbonate ion?

A

CO3 2-

19
Q

What is the Sulphate ion?

A

SO4 2-

20
Q

What is the hydroxide ion?

A

OH-

21
Q

What is the ammonium ion?

A

NH4 +

22
Q

What is the Zinc ion?

A

Zn 2+

23
Q

What is the silver cation?

A

Ag+

24
Q

What is the charge on the elements in group 1?

A

1+

25
Q

What is the charge on the elements in group 2?

A

2+

26
Q

What is the charge on the elements in group 3?

A

3+

27
Q

What is the charge on the elements in group 5?

A

3-

28
Q

What is the charge on the elements in group 6?

A

2-

29
Q

What is the charge on the elements in group 7?

A

1-

30
Q

What are spectator ions in ionic equations?

A
  • they do not change state

- not changing oxidation number

Chemistry A-level (14 decks)

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