A researcher find that a compound is composed of 43.6% phosphorus and 56.4% oxygen. In a separate analyst, she finds that it has a mullet molar mass of 142 g/mol. what is the molecular formula of the compound?

☆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

27. =3,500,000 x 4,000 = 14,000,000,000

Provide the choices you are given. i would be happy to : ) you!

Ithink that one is (c)