How many formula units make up 17.2 g of magnesium chloride (MgCl2)? Express the number of formula units numerically.

What are the first three quantum numbers for the electrons located in subshell 2s?

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98

Which factor is likely to impact the possible number of compounds ?