Describe the difference between a covalent and an ionic bond. Give examples.
A covalent bond is formed due to a shared pair of electrons between to atoms. It occurs between two non-metal atoms eg) HClAn ionic bond is formed when there is a strong electrostatic attraction between oppositely charged ions. eg)NaCl forms from Na+ and Cl-
HC
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All answers ▸Describe the trend in boiling point of the halogens.
a) State the electronic configuration of a chlorine atom. b) Describe the bonding and the phase of chlorine at room temperature.
What happens when CaCO3?
Compare and contrast the structures of Diamond and Magnesium in terms of the position and interactions of particles within the substance. Comment on how this is reflected in their properties.