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GCSE Chemistry > Atomic Structure > Flashcards

Atomic Structure Flashcards

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1
Q

What is an atom?

A

The smallest particle of an element which still retains the properties of that element.

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2
Q

What number defines the element?

A

Atomic number.

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3
Q

What is the mass number?

A

The number of protons + The number of neutrons

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4
Q

What is the atomic number?

A

The number of protons OR the number of electrons (not ions)

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5
Q

Where are electrons found?

A

Energy levels/ shells

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6
Q

Where are protons found?

A

The nucleus

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7
Q

Where are neutrons found?

A

The nucleus

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8
Q

What is the relative charge of an electron?

A

-1

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9
Q

What is the relative charge of a neutron?

A

0

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10
Q

What is the relative charge of a proton?

A

+1

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11
Q

What is the relative mass of an electron?

A

0 OR 1/1840

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12
Q

What is the relative mass of a proton?

A

1

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13
Q

What is the relative mass of a neutron?

A

1

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14
Q

How do you work out the number of protons from the mass and atomic number?

A

No. of protons = mass no. - atomic no.

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15
Q

What is an isotope?

A

Atoms with the same atomic number but different mass numbers.
OR
Atoms of the same element with the same number of protons but different numbers of neutrons.

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16
Q

What is the Relative Atomic Mass? (RAM/Ar)

A

Average mass of the isotopes in an element

17
Q

Relative Atomic Mass Equation

A

(Mass no. of isotope 1 x abundance) + (Mass no. or isotope 2 x abundance) / 100

18
Q

What are periods in the periodic table?

A

Rows

19
Q

What are groups in the periodic table?

A

Columns

20
Q

What order is the periodic table arranged in?

A

In order of atomic number.

21
Q

What ions do Group 1 atoms form?

A

1+

22
Q

What ions do Group 2 atoms form?

A

2+

23
Q

What ions do Group 3 atoms form?

A

3+

24
Q

What ions do Group 5 atoms form?

A

3-

25
Q

What ions do Group 6 atoms form?

A

2-

26
Q

What ions do Group 7 atoms form?

A

1-

27
Q

What ions do Group 8/ Group 0 atoms form?

A

It does not form an ion because it already has a full outer shell.

GCSE Chemistry (13 decks)

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