What is the mass of 1.88 x 10^28 molecules of carbon dioxide?

a)8.27 x 1029 g CO2

b)1.37 x 106 g CO2

c)2.25 x 1029 g CO2

d)3.12 x 104 g CO2

What is a metal replacement reaction

How have the greenhouse gasses increased from the year 2000 to 2018

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false