What information is needed to calculate the average atomic mass of an element?(1 point) the charge on each isotope
the number of protons in each isotope
the total amount of the element in the sample or in nature
the relative abundance of its isotopes

Which is a character of nuclear fusion but not nuclear fission

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

The identities of substances are the same before and after which type of change