Which molecule is correctly matched with its electron-pair geometry and molecular structure?.

Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle

Find the protons, electrons and neutrons for strontium with a mass of 83

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge