Kinetic energy is the energy of motion. How could a person determine how much kinetic energy an object has? A. by finding its position and form
B. by finding its speed and direction
C. by finding its height and width
D
by finding its mass and speed
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Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.