Ionic, Covalent & Metallic Bond (AQA GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What is an ion?
What is an ion?
An atom with a charge
Why do atoms form ions?
Why do atoms form ions?
To get a full outer shell of electrons
What do metal atoms do to form ions?
What do metal atoms do to form ions?
Lose electrons
What type of ion do metals form?
What type of ion do metals form?
Positive ions (cations)
What do non-metal atoms do to form ions?
What do non-metal atoms do to form ions?
Gain electrons
What type of ion do non-metals form?
What type of ion do non-metals form?
Negative ions (anions)
How many electrons does a sodium atom lose to form Na?
How many electrons does a sodium atom lose to form Na?
One electron
How many electrons does an oxygen atom gain to form O?
How many electrons does an oxygen atom gain to form O?
Two electrons
How do ionic bonds form?
How do ionic bonds form?
One atom transfers electrons to another
Between which types of atoms do ionic bonds usually form?
Between which types of atoms do ionic bonds usually form?
A metal and a non-metal
What holds positive and negative ions together in an ionic bond?
What holds positive and negative ions together in an ionic bond?
Electrostatic forces
What structure do ions form in ionic compounds?
What structure do ions form in ionic compounds?
A giant ionic lattice
Why do ionic compounds have high melting and boiling points?
Why do ionic compounds have high melting and boiling points?
Strong forces between the ions
Are ionic compounds usually soluble in water?
Are ionic compounds usually soluble in water?
Yes
When can ionic compounds conduct electricity?
When can ionic compounds conduct electricity?
When melted or dissolved in water