FEE Atoms of which elements form bonds without satisfying the octet rule?
potassium (K) and sodium (Na)
O neon (Ne) and argon (Ar)
nitrogen (N) and fluorine (F)
O heliumn (He) and hydrogen (H)

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?

How far is the region from the equator or control climate