Answer:C
Explanation:
Answer:
"The elements are arranged in seven horizontal rows,called periods or series,and 18 vertical columns,called Groups."
Risk*
A. Frictional
Friction is the force created when two solid objects in contact try to move past each other.
find the number of moles of solute dissolved in solution ,
find the volume of solution in liters,
then divide moles solute by liters solution
