How is it possible for an Argon atom to take up less space than a Sodium atom even though it has 7 more protons? A. as the positive nucleus gets bigger it pulls its electrons closer toward the center
B. as the negative nucleus gets bigger it pulls its electrons closer toward the center
C. as the positive nucleus gets bigger it pushes its electrons farther away from the center
D. as the negative nucleus gets bigger it pushes its electrons closer away from the center

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600