14 Questions
What type of elements form covalent bonds?
Two non-metals
What is the role of electrons in a covalent bond?
Electrons are shared between atoms
What is the significance of sharing electrons in a covalent bond?
It allows the atom to achieve a stable electron configuration
What is bond energy?
The energy required to break one mole of a covalent bond in the gaseous state
What is the bond length?
The distance between the nucleus of one atom to another atom which forms the covalent bond
What happens to the bond length when the forces of attraction between electrons and nuclei increase?
Decreases
Why are triple bonds the shortest and strongest covalent bonds?
Due to the large electron density between the nuclei of the two atoms
What do dot and cross diagrams represent?
Covalent bonding
What does 'expanding the octet rule' refer to?
Accommodating more than 8 electrons in the outer shell of a central atom
What is a lone pair of electrons?
A pair of electrons not involved in bonding
What is an electron-deficient atom?
An atom that has an unfilled outer orbital
What is dative covalent bonding also known as?
Coordinate bonding
In what form does aluminium chloride exist at high temperatures?
(AlCl3)
'Aluminium chloride at lower temperatures forms what type of structure?'
(Al2Cl6)
Test your knowledge about covalent bonding between non-metals. Learn about the sharing of electrons, electron configurations, and stability achieved through covalent bonds.
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