HEEELLP WILL GIVE 100 PIINTS ASAP How many protons does an ion have if that ion has a charge of -2 and an electron configuration of 1s22s22p63s3p6??
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What is the standard unit of measure for acceleration?

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)

Which material burns faster? metal aluminum