Why is it important that there be no gaps around the edges of the filter paper during a vacuum filtration? explain your reasoning?

What is the formula that this ionic compounds could form sr2+p3-o2-

How does the motion of particles in a gas change as the gas cools

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space