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Y12 BTEC - Unit 1 - Chemistry > A1 - Atomic Structure > Flashcards

A1 - Atomic Structure Flashcards

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1
Q

What is an atom that has gained electrons so that there are more electrons than protons called?

A

Anion

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2
Q

What is ‘atomic number’?

A

The atomic number is equal to the number of protons

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3
Q

How do you work out the number of neutrons in an atom?

A

Mass number - Atomic number

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4
Q

Why do isotopes of the same element have the same chemical properties?

A

They have the same electron configuration.

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5
Q

What are the three subatomic particles and their relative charge?

A

Proton 1+
Neutron 0
Electron 1-

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6
Q

What is an anion?

A

An atom that has gained electrons so that there are more electrons than protons.

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7
Q

What is the relative mass for an electron?

A

1/1840

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8
Q

What charge does an atom have?

A

Neutral

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9
Q

The relative mass is 1 for which subatomic particle(s)?

A

Proton and Neutron

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10
Q

How many electrons does an Al 3+ ion have

A

10

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11
Q

How many protons does an O atom have

A

8

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12
Q

How many neutrons does an atom of Mg have if the mass number is 24

A

12

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13
Q

How many neutrons does an atom of Mg have if the mass number is 26

A

14

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14
Q

How many electrons does a Cl- ion have

A

18

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15
Q

Which element has the atomic number of 26

A

Fe

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16
Q

What are isotopes?

A

Particles with the same number of protons and a different number of neutrons

17
Q

What is an atom that has lost electrons so that there are more protons than electrons called.

A

Cation

18
Q

What are particles with the same number of protons and a different number of neutrons called?

A

Isotopes

19
Q

What is ‘mass number’?

A

The mass number is equal to the number of protons and neutrons combined.

20
Q

What is a cation?

A

An atom that has lost electrons so that there are more protons than electrons.

Y12 BTEC - Unit 1 - Chemistry (8 decks)

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