Question

How do the ionization potential , electron affinity, and electro negativity change in a period with increase in atomic number?

Answer 1

Answer:

Ionization energy is the energy required to remove an electron away from an atom, which can be written as IE. ... Electron affinity, on the other hand, is the energy released when an electron is added to the atom. On the periodic table, electron affinity usually decreases down a group, and increases across a period.

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Answer 2

Answer:

The Ionization Potential, electron affinity and electronegativity change in a period with increase in atomic numbers.

Explanation:

The Ionization Potential increases because the force holding the valence electrons increases as atomic number increases.

The electron affinity decreases because on a higher energy level the atomic size increases.

The electronegativity increases because the number of protons in the nucleus increases. The higher the electronegativity of an atom, the greater it's ability to attract shared electrons.