Question detail

Which of the following elements is represented by the symbol 'Cl'?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

Question

A. Calcium
B. Chlorine
C. Carbon
D. Cobalt

Answer

Chlorine

Explanation

'Cl' is the chemical symbol for chlorine, which is an element in the periodic table.

Common mistake

Misunderstanding Chemical Symbols

Students often confuse the chemical symbol of an element with its name, thinking that the symbol represents the entire element rather than just a shorthand notation.

Emphasize that the chemical symbol is a unique representation of an element, and practice matching symbols with their corresponding element names, such as O for oxygen and Na for sodium. Keep the correction anchored to Atoms, elements and compounds and avoid mixing it with nearby Unit 4.1 ideas.

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