Covalent Bonding (Grade 10 NSC Matric Physical Sciences): Flashcards
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Atoms involved in covalent bonding
Atoms involved in covalent bonding
Non-metal atoms
Definition: covalent bond
Definition: covalent bond
Pairs of electrons shared between atoms
Electrons shared in single bond
Electrons shared in single bond
Two (one from each atom)
Electrons shared in double bond
Electrons shared in double bond
Four (two from each atom)
Electrons shared in triple bond
Electrons shared in triple bond
Six (three from each atom)
Definition: valency
Definition: valency
No. of outer shell electrons available for bonding
Melting/boiling points: covalent vs ionic compounds
Melting/boiling points: covalent vs ionic compounds
Lower in covalent compounds
Water solubility of covalent compounds
Water solubility of covalent compounds
Generally poor/do not dissolve well
Electrical conductivity: covalent compounds in water
Electrical conductivity: covalent compounds in water
Generally do not conduct
Flexibility: covalent vs ionic compounds
Flexibility: covalent vs ionic compounds
Covalent more flexible