How many atoms in TWO formula units of #MgCl_2#?

1 Answer
Jun 18, 2017

I think you mean #"how many atoms......."#

Explanation:

I think you mean #"how many atoms are present in 2 molecules,"# #"or better 2 formula units of"# #MgCl_2?#

And clearly there are 6 atoms present , i.e. #4xxCl+2xxMg="6 atoms in total"#.