To measure the temperature of water in a chemistry expierment you should use the fahrenheit scale. true or false

Yes it would be a physical change.

☆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

The se-ci  bonds is more polar  than s-br bond

Answer( precipitate );