7. Give me an atom with the following characteristics. a. Halogen b. Chalogen
c. Alkali metal d. Boron
e. Lanthanide series
f. Alkaline Earth metal

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

Work = force × a. work b. energy c. distance d. momentum