What is NOT a sign of chemical change? A. New Color
B. New gas
C. New temperature
D. New state of matter

Which of the following electromagnetic waves can create ions?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons