If an element A is present in group I of the periodic table, the formula of its chloride should be :

A_{2} C l

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A C l_{2}

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A C l

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A C l_{3}

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Solution

The correct option is C $A C l$
It contains 1 electron in the valence shell. Chloride ion has a charge of -1. Hence the formula shall be ACI.

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Similar questions

An element X is in group 2 of the periodic table :

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(b) What will be the formula of its oxide?

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Which among the following is not true about modern periodic table (a) group number of an element gives an idea of the numbers of its valence electrons (b) non metals are present towards the right side of the periodic table (c) hydrides of the elements in the first group will have a similar formula (d) oxides of elements in the first period will have a similar formula

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Q. X and Y are two compounds of elements

A

and

C l

. The molar mass and the mass % of

C l

are given in the table below.

\begin{matrix} Compound & Molar mass & % of Cl X & 200 & 71 Y & 213 & 50 \end{matrix}

X and Y are:

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If an element A is present in group I of the periodic table, the formula of its chloride should be :

The correct option is C AClIt contains 1 electron in the valence shell. Chloride ion has a charge of -1. Hence the formula shall be ACI.

The correct option is C $A C l$
It contains 1 electron in the valence shell. Chloride ion has a charge of -1. Hence the formula shall be ACI.