From just the atomic number, what else is known?

a) the chemical number

b) the number of neutrons

c) the atomic mass

d) the number of protons

Select the correct answer. In a given chemical reaction, the energy of the products is greater than the energy of the reactants. Which statement is true for this reaction? A Energy is absorbed in the reaction. B. Energy is released in the reaction.

Which requires more work, carrying a 420 N knapsack up a 200 m hill or carrying a 210 knapsack up a 400 m hill? Why?

What is the best definition Copernicus

Acceleration of 10 kg object if a force of 3n is acting on it

a mars prototype carrying scientific instruments has a mass of 1060kg. a net force of 52000 n is applied to this roverat a test site on earth. what is the acceleration of the rover? solve the acceleration. force / mass a = F/m

How much work is done when a 4.0-newton box is carried horizontally a distance of 2.0 meters at a constant velocity?

You push a shopping cart filled with groceries (total mass = 20 kg) by applying a force to the cart 30° from the horizontal. If the force you apply has a magnitude of 86 N, what is the cart's acceleration? Assume negligible friction.

Does water expand more as the temperature drops even more below 0 deg? I am worried about the coolant in my rad. as the temp. is 40deg below.

A 1.00-kilogram ball is dropped from the top of a building. just before striking the ground, the ball's speed is 12.0 meters per second.

Why oil does not dissolve in water?