How are elements similar in a group/family on the periodic table? A. They have the same number of valence electrons

B. They are all metals

C. They have a full outer shell of electrons

D. They are all nonmetals

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion