C2.2.3 - Forming Ions Flashcards Preview

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Flashcards in C2.2.3 - Forming Ions Deck (12):
1

What is an ion?

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

2

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

No

3

Metals can lose electrons and become positive ions.
Is this true?

Yes

4

Non-metals can lose electrons and become positive ions.
Is this true?

No, non-metals gain electrons and become negative ions

5

What is the only shell atoms can lose electrons on?

The outer shell

6

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

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

7

What does an electron diagram represent?

The electronic structure of an atom or an ion

8

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

A circle

9

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

Dots or crosses

10

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

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

11

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

In the centre

12

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

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