A crystal lattice formed by positive and negative ions is called a(n) A. metallic crystal
B. ionic crystal
C. magnetic crystal
D. macromolecular crystal

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)

How does concentration affect reaction rate

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius