Which element forms the fewest compounds?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Are oil and water a mixture or solution

The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity