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Chemistry

Chemistry · Quick practice · answer shown after each question

Ionic, covalent and metallic bonding

Question 1 of 10

Question 1 of 10

A covalent bond is formed by

Question 2 of 10

Question 2 of 10

Ionic compounds conduct electricity in the solid state.

Question 3 of 10

Question 3 of 10

An ionic bond is formed by

Question 4 of 10

Question 4 of 10

The bond formed when both shared electrons come from one atom is a ___ bond.

Question 5 of 10

Question 5 of 10

The formula of sodium sulphate is

Question 6 of 10

Question 6 of 10

In a dot-and-cross diagram of water, the oxygen atom has

Question 7 of 10

Question 7 of 10

Graphite conducts electricity because

Question 8 of 10

Question 8 of 10

Metallic bonding is the attraction between

Question 9 of 10

Question 9 of 10

The ammonium ion, NH₄⁺, contains

Question 10 of 10

Question 10 of 10

Using dot-and-cross diagrams, show the formation of (a) sodium chloride, (b) a molecule of water. (c) Explain why sodium chloride has a much higher melting point than water.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.