Covalent bonding (AQA GCSE Chemistry Combined Science): Flashcards
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Atoms that form covalent bonds
Atoms that form covalent bonds
Non-metal atoms
What atoms share in covalent bonding
What atoms share in covalent bonding
Pairs of electrons
Why atoms form covalent bonds
Why atoms form covalent bonds
To get full outer shell & become stable
Covalent vs ionic bonding: key difference
Covalent vs ionic bonding: key difference
Covalent shares; ionic transfers electrons
Purpose of dot-and-cross diagrams
Purpose of dot-and-cross diagrams
Show how electrons are shared in covalent bonds
What dots represent in dot-and-cross diagrams
What dots represent in dot-and-cross diagrams
Electrons from one atom
Which electrons are shown in dot-and-cross diagrams
Which electrons are shown in dot-and-cross diagrams
Only outer shell electrons
Single covalent bond definition
Single covalent bond definition
Atoms share one pair of electrons
Double covalent bond definition
Double covalent bond definition
Atoms share two pairs of electrons
Triple covalent bond definition
Triple covalent bond definition
Atoms share three pairs of electrons
Lone pairs definition
Lone pairs definition
Electron pairs not shared in a bond
Electrons hydrogen needs
Electrons hydrogen needs
1 more electron
Electrons carbon needs
Electrons carbon needs
4 more electrons
Electrons nitrogen needs
Electrons nitrogen needs
3 more electrons
Electrons oxygen needs
Electrons oxygen needs
2 more electrons