Gay-Lussac's Law: states that if the
and
of a gas are kept constant, the
varies
as the ​

Cis the

The correct answer is "atomic weight".

☆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

Ibelieve its because the stove is a cleaner burning fuel