Which one has 3 covalent bonds nh3 . h2s. ch4.co. co2

This element exists in adundance in the sun. explain how you would go about capturing sunlight. would this captured sunlight contain any of the element?

What three things does a balanced equation show you?

You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?