Dot & Cross Diagrams (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do dot & cross diagrams primarily show in chemical bonding?
What do dot & cross diagrams primarily show in chemical bonding?
Transfer or sharing of electrons
Which electrons are represented in dot & cross diagrams?
Which electrons are represented in dot & cross diagrams?
Valence (outermost) electrons
Why are dots and crosses used in these diagrams?
Why are dots and crosses used in these diagrams?
To differentiate electron sources
How are electrons shown in covalent bonds?
How are electrons shown in covalent bonds?
Shared between atoms
In , how many valence electrons does oxygen have?
In , how many valence electrons does oxygen have?
6
How are electrons shown in ionic bonds?
How are electrons shown in ionic bonds?
Transferred from one atom to another
In NaCl, what happens to sodium's valence electrons?
In NaCl, what happens to sodium's valence electrons?
Na loses one electron to form
What is a dative covalent bond?
What is a dative covalent bond?
Both electrons from the same atom
How should ions be shown in dot & cross diagrams?
How should ions be shown in dot & cross diagrams?
Square brackets with charge outside
How are lone pairs shown in dot & cross diagrams?
How are lone pairs shown in dot & cross diagrams?
As individual pairs around atoms