Metals are good conductors because A. they have loosely held outer electrons
B. they have tightly held outer electrons
C. they have loosely held protons
D. they know how to wave a bataan

Awnser

a

Explanation:

because the atoms in the

metals form a matrix through which outer electrons can move freely.

- measure reactants precisely. ( first choice)

- stir to the reaction take place. ( second choice)

- wait patiently until the reaction completes. ( fourth choice)

- make sure to recover as much copper as possible. ( last choice)