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What is the difference between covalent compounds and ionic compounds?

Covalent compounds contain atoms that share electrons - for example, hydrogen chloride (HCl) share electrons (one from each atom), in order to achieve a full set of 8 electrons in their outer shell. Covalent...
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Answered by Beth S. • Chemistry tutor
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What is an acid-base pair?

Two species that transform into each other by loss or gain of a proton.
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Answered by Laura H. • Chemistry tutor
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If hydrogen was burnt in a chamber full of oxygen, what would be the effect on the chamber pressure and why?

The equation for the reaction is; 2H 2 +O 2 = 2H 2 O From the equation it can be seen that 2 moles of hydrogen reacts with 1 mole of oxygen to produce 2 moles of water vapour. Since the reaction used more mo...
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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 oppo...
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Answered by Hannah C. • Chemistry tutor
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Explain what is meant by thermal decomposition

A reaction in which a substance is broken down into 2 or more substances by heat. An example is the breakdown of calcium carbonate into carbon dioxide and calcium oxide.
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Answered by Laura C. • Chemistry tutor
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