How many valence electrons does each atom of arsenic (as) have? Arsenic is element 33. It is in period 4 and family 15 (5a or the nitrogen family)?

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.