the atomic weightts of the some elements in the periodic tables are no increasing by a factor of 2(there is a cHange of +1 or -1 in some elements).
is it important know the exact atomic weights of the elements
the atomic weightts of the some elements in the periodic tables are no increasing by a factor of 2(there is a cHange of +1 or -1 in some elements).
is it important know the exact atomic weights of the elements