How many grams of H2O will be formed when 32.0 g H2 is mixed with 27.0 g of O2 and allowed to react to form water

passing a magnet thought the

mixture , because iron gets attracted to magnet .

10 years is the answer

the answer to this question is 3.

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.