What happens when an electrically charged pencil is placed close to water running from a faucet? The pencil attracts the water. The pencil becomes positively charged. The water attracts the pencil. The water repels the pencil.

Mgo2 is the oxidation state of manganese oxide

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts