What is the net charge of an ion that has 8 protons, 9 neutrons, and 10 electrons

Solids retain their shape and size, if kept constant temperature and pressure. At a constant temperature and pressure, liquids retain their: a. volume b. shape c. size d. shape and volume

elect all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa.

32. Alpha particles and beta particles differ in A. mass, only B. charge, only C. both mass and charge D. neither mass nor charge

Can colloidal suspensions be separated out by filtration

Which of the following actions occur during the process of fusion? 1.) atoms are divided 2.) atoms are broken apart 3.) atomic nuclei are united 4.) atomic nuclei are split

What larger energy does light energy come from?

Allows water to pass through easily

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?