How do the electron configurations within the same group of elements compare?

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Summarize possible ways in which phases of matter could combine to form a solution.

In the reaction between a crushed antacid tablet and vinegar what gas is emitted