Elementos de la tabla periódica forman aniones

Select the atomic models that belong to the same element

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?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder