Quantum Model

Which subatomic particles is counted to determine the type of element the atom represents?

Typically in an atom, which two subatomic particles are equal in number?

The nucleus of an atom contains which subatomic particles?

What is the center of an atom called?

Which subatomic particle as no charge, also known as a neutral charge?

Which subatomic particle has a negative charge?

Which subatomic particle has a positive charge?

Which of the following are subatomic particles? (Check all that apply)

Atoms are made up of what?

According to the Aufbau principle, how do electrons fill the energy levels?

Electrons are described by quantum numbers. The principal quantum number, n, describes an electron's

When atoms _____________ energy, their electrons move to higher energy levels. These electrons _____________ energy by emitting light when they return to lower energy levels.

What orbital is shown in the picture?

Who used theoretical calculations and experimental results to devise and solve a mathematical equation describing the behavior of the electron in a hydrogen atom?

Who proposed that electrons are only found in specific, discrete circular orbits around the nucleus?