Topic 1 Flashcards

1
Q

Describe how the Dalton model of an atom has changed over
time because of the discovery of subatomic particles

A
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2
Q

Describe the structure of an atom

A
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3
Q

Recall the relative charge of a proton

A

+1

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4
Q

Recall the relative charge of a neutron

A

0

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5
Q

Recall the relative charge of an electron

A

-1

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6
Q

Recall the relative mass of a proton

A
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7
Q

Recall the relative mass of a neutron

A
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8
Q

Recall the relative mass of an electron

A
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9
Q

Why do atoms contain equal numbers of protons and
electrons?

A
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10
Q

Describe the size of a nucleus compared to the size of an atom

A
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11
Q

Where is the most of the mass of an atom is concentrated?

A

In the nucleus

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12
Q

What is the mass number of an atom?

A
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13
Q

What is an isotope?

A

An atom of the same element that has the same number of protons but different number of neutrons

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14
Q

Relative atomic mass formula

A
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