Wednesday, November 24, 2010

When balancing chemical equations, beginning students are often tempted to change the numbers within a formula?

1.Changing the subscripts changes the identity of the compound.

2.The subscripts in a formula represent the proportions of the elements in a compound.

3Changing the subscript only changes the physical state of a compound.

4.The subscripts in a formula define what compound is present.

HOW MANY ANSWERS IS RIGHT?When balancing chemical equations, beginning students are often tempted to change the numbers within a formula?
1 and 2 are correct.



BillWhen balancing chemical equations, beginning students are often tempted to change the numbers within a formula?
1, 2, and 4 are correct.