Stabiliti formulele pentru oxizii care au ca element: Mg(II); Al(III); N(III); N(V); Cl(VII). Parcurgeti etapele ca in clasa. Veti scrie 5 formule. Aveti in paranteza valenta elementului respectiv. Iar oxigenul este mereu divalent. Va rog eu, sa-mi raspunde-ti dau coroana

Nonmetal halogen family atmoic mass 35

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms