A 13. What is the coefficient in front of the Fe2O3 in the following reaction is properly balanced:
Fe(OH)3 ---?--Fe2O3 + H2O

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

An atom that gains or loses one or more electrons is called a(n)

An atom holds 7 electrons. use orbital notation to model the probable location of its electrons. an atom hold 22 electrons. use orbital notation to model the probable location of its electrons. an atom holds 17 electrons. use orbital notation to model the probable location of its electrons.