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Chemistry
GCSE

What is the difference between ionic and covalent bonding

The main difference is that covalent bonding is the sharing of electrons, whereas in ionic bonding electrons are transferred. Ionic bonding is between a metal and a non-metal whereas covalent bonding is b...

Answered by Verity G. Chemistry tutor
3862 Views

Hydrogen chloride (HCl) has a melting point of -114.2 °C. Sodium chloride (NaCl) has a melting point of 801 °C. Explain in terms of structure and bonding why these substances have such different melting points?

Hydrogen chloride has a simple molecular structure. The atoms within the molecule are held together by strong covalent bonds. However, for simple covalent molecules to melt only the weak intermolecular f...

Answered by Alexander J. Chemistry tutor
26085 Views

What is meant by a strong acid?

When the acid is completely or fully ionised in aqueous solution or if it is dissolved in water.

Answered by Isabelle L. Chemistry tutor
1740 Views

What does the percentage atom economy mean

It is the atomic mass of the desired product divided by the total atomic mass of all the products in the reaction, multiplied by 100

Answered by Tobias E. Chemistry tutor
1960 Views

Give the characteristics of a homolgous series.

A homologous series is a group of compounds that share the same functionl group. Members of the same series have similar chemical properties and show a gradation in physical properties. E...

Answered by Jessica W. Chemistry tutor
2129 Views

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