Please help I need answer soon. A volcanic mountain made up of volcanic ash, cinders, and bombs is called a .

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

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?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?