All elements in a period have the same energy level due to which of the following reasons

What do microwaves and xrays have in common

What is the process when thermal energy is being removed?

Which describes the weak nuclear force only? Check all that apply. is attractive is repulsive has an infinite range has a very small range is stronger than the gravitational force is weaker than the electromagnetic force

Bert is making a strawberry milkshake in his blender. A tiny, 5.0 g strawberry is rapidly spun around inside of the container with a speed of 14.0 m/s, held by a centripetal force of 10.0 N. What is the radius of the container at this location?

How many protons, neutrons, and electrons are in a neutral atom with the symbol 41Ca A) 20 protons, 21 neutrons, 21 electrons B) 20 protons, 21 neutrons, 20 electrons Eliminate C) 21 protons, 21 neutrons, 20 electrons D) 41 protons, 0 neutrons, 41

Which of the following is a correct principle of relative-age dating? A. In undisturbed rock layers, the youngest rocks are on the bottom. B. Rock-forming materials are deposited in horizontal layers, though they may be tilted later. C.

The Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? A) Element B) Atom C) Electron D) Molecule

A researcher rolls some clay into a ball and shows it to Zian, then squishes the clay into a pancake. Zian understands that the amount of clay is the same in both.

How are the magnets able to have zero resistance

Suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity.