How does electron affinity change when we move from left to right in a period in the periodic table ?

How does the electronegativity changes as we move from left to right across a period ?

On moving from left to right in a period in the periodic table, the size of the atom.

On moving from left to right in a period in the periodic table, the size of the atom.

How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?

How would the tendency to gain electrons change on moving from left to right in a period of th periodic table?

How do the atomic radii of elements change as we go from left to right in a period of the periodic table?

When we move from left to right in a period electropositive charcter

On moving from left to right across a period in the periodic table the metallic character

On moving from left to right across a period in the periodic table the metallic character