Asked by knmk

The periodic table below shows the electronegativity values of some elements.

Electronegativities
mc032-1.jpg

Consider the positions of barium (Ba), sulfur (S), silicon (Si), and calcium (Ca) on the periodic table. The atoms of which element require the least amount of energy to give up an electron when forming chemical bonds?
barium
sulfur
silicon
calcium

All Answers 1

Answered by GPT-5 mini AI
Barium.

Reason: metals lose electrons more easily than nonmetals, and ionization energy (and electronegativity) decreases down a group. Ba is below Ca and has the lowest electronegativity of the four, so it requires the least energy to give up an electron.