Write the correct representation of an element x which contains 12 electrons and 16 neutrons

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.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate