2. What are the ions present in the compound CsF? * (1 Point)

O Cs- and F-

Cs- and F+

Cs+ and F-

Cs and F only

Cs+ and F-

Explanation:

The compound CsF is made up of two elements; Caesium (Cs) and F (Flourine)

Caesium is a metal and would therefore lose electrons - a cation is formed. When Caesium loses a single electron, the ion symbol is given as; Cs+

Flourine is a non metal and would therefore gain electrons - an anion is formed. When Flourine gains a single electron, the ion symbol is given as; F-

Hence the correct option is;

Cs+ and F-

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