Which describes an atom that has fewer neutrons than protons and more electrons than protons?

What are the differences between refraction and diffraction?

You observe three carts moving to the left. Cart A moves to the left at nearly constant speed. Cart B moves to the left, gradually speeding up. Cart C moves to the left, gradually slowing down.

True or False? The molecules in a solid have * more * thermal energy than the molecules in a gas?

A source emits monochromatic light of wavelength 495 nm in air. when the light passes through a liquid, its wavelength reduces to 434 nm what is the liquid's index of refraction? a. 1.14 b. 1.49 c. 2.03 d. 1.26 e. 1.33

An asteroid flies close to the earth. gravity does what? A. repels the asteroid away from the earth. B. attracts the asteroid and the earth to each other. C. makes the asteroid spin rapidly. D. causes the asteroid to explode.

Which air mass provides the moisture that produces the clouds and precipitation?

What is a relatively small rocky body that travels through out space

Which is true about the pressure of a fluid at a specific depth? It varies with the total volume of the fluid. It depends only on the type of fluid. It is exerted only in the downward direction. It depends on the surface area of the fluid.

The sum of potential and kinetic energies in the particles of a substance is called energy. True or False

Element X has a mass number of 40 and an atomic number of 20, and element Y has a mass number of 56 and an atomic number of 26. Element X has more neutrons and fewer electrons than element Y. more neutrons and electrons than element Y.