Question

Which of the following statements is/are correct? 1. For any element, the second ionization energy is...

Which of the following statements is/are correct?

1. For any element, the second ionization energy is larger than the first ionization energy.

2. Ionization energy is a positive value for all elements.

3. Ionization energy increases down a group of the periodic table.

No information in our books and professor can't explain how it works, please help.

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Answer #1

Following statements is/are correct?

1. For any element, the second ionization energy is larger than the first ionization energy = True.

Explanation: For any element the second ionization energy is more compared to first ionization energy.As the number of electrons removed then the nuclear attraction increases for remaining electrons.

2. Ionization energy is a positive value for all elements = True.

It is the amount of energy required to remove electrons.So, always it is a positive value.

3. Ionization energy increases down a group of the periodic table = False

Explanation: As moving down the group size of atom increases and nuclear force decreases.So, ionization energy decreases.

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