Help me pls I put 49 point( every single point that I have) pls help me

Ineed ! it’s science and it’s due tomorrow!

Which other elements contain the same number of outer electrons as sodium

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)