Single Covalent Bonds (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What happens to electrons in covalent bonding?
What happens to electrons in covalent bonding?
They are shared between atoms
Which statement about molecules is correct?
Which statement about molecules is correct?
Atoms of the same or different elements
How many electrons does a hydrogen atom need to achieve stability?
How many electrons does a hydrogen atom need to achieve stability?
2
How many outer electrons does a chlorine atom have?
How many outer electrons does a chlorine atom have?
7
How many lone pairs of electrons does oxygen have in ?
How many lone pairs of electrons does oxygen have in ?
2
What are lone pairs?
What are lone pairs?
Unshared electron pairs on one atom
How many single covalent bonds does nitrogen form in ?
How many single covalent bonds does nitrogen form in ?
3
What shape do the bonds in methane () form?
What shape do the bonds in methane () form?
Tetrahedral
What does valency refer to?
What does valency refer to?
Number of bonds an atom can form
What is the valency of oxygen?
What is the valency of oxygen?
2
How many covalent bonds can carbon form?
How many covalent bonds can carbon form?
4
What does a single covalent bond involve?
What does a single covalent bond involve?
Sharing one pair of electrons
