Which measurement could describe the velocity of an object

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

How many moles of gas are present if p=11 atm, v=12l, t=185k?

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