The number to the lower side of an element (O2) is aand the number in front of a compound or


The number to the lower side of an element (O2) is aand the number in front of a compound or element is a
a
Superscript and subscript
b
Superscript and coefficient
c
Coefficient and subscript
d
Subscript and coefficient


Leave a Reply

Your email address will not be published.