Which list includes three forms of energy? (1) chemical, mechanical, electromagnetic(2) chemical, mechanical, temperature(3) thermal, pressure, electromagnetic(4) thermal, pressure, temperature

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory

Identify the correct mole ratio for each substance. sodium chloride (nacl) na: cl = 1: ammonium nitrate (nhno) h: o = 4: