According the
1789 H₂ and 871g co are combined
reaction below. If
6819 CH ₃0h are actually produced when
reaction performed, calculate
percent yield. Answer in 3 signifigant figures
Colg) + 2 H₂ (9) + CH3OH (9)
the
is

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.