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Chemistry

Chemistry · Quick practice · answer shown after each question

Trends in the periodic table

Question 1 of 10

Question 1 of 10

Electronegativity across a period from left to right

Question 2 of 10

Question 2 of 10

Across Period 3, the oxides change from

Question 3 of 10

Question 3 of 10

Aluminium oxide is amphoteric, meaning it

Question 4 of 10

Question 4 of 10

Down Group 17, reactivity

Question 5 of 10

Question 5 of 10

Which oxide of a Period 3 element is amphoteric?

Question 6 of 10

Question 6 of 10

The oxides of non-metals such as sulphur are usually

Question 7 of 10

Question 7 of 10

Down Group 2, the solubility of the hydroxides

Question 8 of 10

Question 8 of 10

Atomic radius down a group

Question 9 of 10

Question 9 of 10

Down Group 1, reactivity

Question 10 of 10

Question 10 of 10

The noble gas used in advertising signs because it glows red is

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