What is the chemical formula for nitrogen dioxide

State two physical properties of ionic compound

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp