Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
The combining capacity of an element is known as its:
The chemical formula H₂O indicates that a water molecule contains:
Which of the following is a cation?
Which of the following is an anion?
A chemical bond formed by the complete transfer of electrons is called a(n):
What is the stable electronic configuration that atoms strive to achieve?
The force of attraction that holds atoms together in a compound is a:
What is the valency of oxygen in water (H₂O)?
The formula Na₂SO₄ indicates that the sulphate ion (SO₄) has a valency of:
How many electrons are involved in a single covalent bond?
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