Which is the property of nonmetals to evaporate easily?

Which of these is an intensive property of a substance

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i