What two particles in an atom are equal in number

Water is known as the "universal solvent." This is due to -

Children in a tree house lift a small dog in a basket 4.00 m up to their house. If it takes 187 J of work to do this, what is the combined mass of the dog and basket?

A garbage truck crashes head-on into a Volkswagen and the two come to rest in a cloud of flies. Which experiences the greater force? a.) the truck b.) Volkswagen c.) both experience the same force d.) not enough information e.) none of these

A 23-turn circular coil of wire has diameter 0.93 m. It is placed with its axis along the direction of the Earth's magnetic field of 58.0 µT and then in 0.200 s is flipped 180°. An average emf of what magnitude is generated in the coil?

Why the Higg's Boson was only named after Peter Higgs?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.