Which of the following elements is in the same period as Aluminum (Al)? A. Gallium (Ga) B. Germanium (Ge) C. Silicon (Si) D. Boron

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

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)

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.