Atomic Combinations (Grade 11 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why do atoms form chemical bonds?
Why do atoms form chemical bonds?
To achieve stable electron config like gases
What are valence electrons?
What are valence electrons?
Electrons in outermost energy level
Which force operates between the nuclei of two atoms during bonding?
Which force operates between the nuclei of two atoms during bonding?
Repulsive force
Why does helium not form stable bonds with other helium atoms?
Why does helium not form stable bonds with other helium atoms?
It already has a complete outer shell
How many valence electrons does oxygen have?
How many valence electrons does oxygen have?
6
What is a covalent bond?
What is a covalent bond?
Bond formed when electron pairs are shared
What is a lone pair?
What is a lone pair?
An unshared electron pair on an atom
What type of bond exists in an oxygen molecule ()?
What type of bond exists in an oxygen molecule ()?
Double bond
Which bond type is strongest?
Which bond type is strongest?
Triple bond
What is a dative covalent bond?
What is a dative covalent bond?
Both electrons from same atom