In a periodic table, dots around an elements symbol indicate the number of valence electrons in an atom ? true or false

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.

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)