What kind of data does doppler radar provide?

The electron configurations of two different atoms are shown below. each yellow electron has a charge of 1−, and the net charge of each nucleus is shown. these atoms will combine with bond. a. an ionic b. a positive c. a negative d. a covalent plzzz mee with !

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.