A sealed cylinder of gas contains nitrogen gas at 101.3 kPa and 20.0 degrees Celsius. When the cylinder is left in the sun, the temp of the gas increases to 50.0 degrees Celsius. Find the new pressure of the gas in the cylinder.

mention the spill to the teacher clean the area and throw the broken pieces away

explanation:

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.