A blank is a molecule compound composed of two atoms of the same element?

What is a subatomic particle with a negative charge and very little mass?

Positive ions differ from neutral atoms in that

Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n