1) Why do you think alpha radiation cannot travel through even a piece of regular printer
paper? What EM field would alpha radiation
be attracted to, positive or negative? Why?

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.

elements make up everything, and they combine to make compounds.

the answer is c

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.