Elements X, Y, and Z have atomic numbers $19, 37$ , and $55$ respectively. Which of the following statements are true about them?

Their ionization potential would increase with increasing atomic number

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Y would have an ionization potential between those of X and Z

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Z would have the highest ionization potential

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Y would have the highest ionization potential

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Solution

The correct option is C Y would have an ionization potential between those of X and Z
Elements X , Y and Z with atomic numbers $19, 37, 55$ lie in group $1$ (alkali metals). Within a group, IE decreases from top to bottom. Therefore, IE of Y could be between those of X and Z.

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Similar questions

Q. The properties that have increasing values with an increase in atomic number for the elements of 1A are:
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Q. Elements

^{'} X^{'},^{'} Y^{'}

and

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have atomic numbers

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and

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respectively. Which of the following statements is false about them?

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Elements X, Y, and Z have atomic numbers 19,37, and 55 respectively. Which of the following statements are true about them?

The correct option is C Y would have an ionization potential between those of X and ZElements X , Y and Z with atomic numbers 19,37,55 lie in group 1 (alkali metals). Within a group, IE decreases from top to bottom. Therefore, IE of Y could be between those of X and Z.

Elements X, Y, and Z have atomic numbers $19, 37$ , and $55$ respectively. Which of the following statements are true about them?

The correct option is C Y would have an ionization potential between those of X and Z
Elements X , Y and Z with atomic numbers $19, 37, 55$ lie in group $1$ (alkali metals). Within a group, IE decreases from top to bottom. Therefore, IE of Y could be between those of X and Z.