I am an unknown element located between Krypton and Argon. I am +1/2, +1/2, +1/2 in the p area when looking at my orbital configuration. I am a household item used to kill organisms. What am I?

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