C2.2.3 - Forming Ions Flashcards

1
Q

What is an ion?

A

An ion is an electrically charged particle formed when an atom loses or gains electrons

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2
Q

Do the amount of protons and neutrons change when forming an ion?

A

No

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3
Q

Metals can lose electrons and become positive ions.

Is this true?

A

Yes

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4
Q

Non-metals can lose electrons and become positive ions.

Is this true?

A

Yes

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5
Q

What is the only shell atoms can lose electrons on?

A

The outer shell

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6
Q

How do you work out an ion’s electronic structure?

A

You get the original electronic structure and add / subtract the electrons

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7
Q

What does an electron diagram represent?

A

The electronic structure of an atom or an ion

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8
Q

What do you draw to represent a shell on an electron diagram?

A

A circle

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9
Q

What do you draw to represent electrons on an electron diagram?

A

Dots or crosses

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10
Q

What changes do you make to draw an electron diagram of an ion?

A

You put the diagram in brackets and outside the brackets you write the charge at the top right.

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11
Q

Where do you write the chemical symbol in an electron diagram?

A

The centre

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12
Q

How do you represent a gained electron on an ion on an electron diagram?

A

It is either a dot or a cross (opposite to what you used for the other electrons)

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