Modern Atomic Theory

What is an s orbital?

• A type of atomic orbital that is spherically shaped and can hold up to two electrons.

• An atomic orbital that has a dumbbell shape and can hold up to six electrons.

• A type of atomic orbital that is planar and can hold up to four electrons.

• An atomic orbital that is linear and can hold up to eight electrons.

What is a subshell?

• A type of chemical bond

• A subdivision of a principal energy level, also known as a sublevel, denoted by the letters s, p, d, and f.

• A unit of measurement for energy levels

• A type of electron configuration

What is the Quantum Mechanical Model?

• A model that describes electron behavior with quantized energies without defining an exact path around the nucleus.

• A model that depicts electrons in fixed circular orbits around the nucleus.

• A classical model that assumes electrons have definite positions and velocities.

• A model that suggests electrons are particles with no wave-like behavior.

Tags

NGSS.HS-PS4-3

What is the Shell Model?

• A model that describes the arrangement of electrons in distinct energy levels around the nucleus.

• A theory that explains the behavior of particles at absolute zero temperature.

• A framework for understanding the chemical bonding in molecules.

• A representation of the atomic nucleus as a solid sphere.

What is the Schrödinger Equation?

• A mathematical equation describing an electron's behavior in an atom, whose solutions form the basis of the quantum mechanical model.

• A formula used to calculate the speed of light in a vacuum.

• An equation that describes the motion of classical objects under gravity.

• A principle stating that energy cannot be created or destroyed.

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What is an f orbital?

• A type of atomic orbital with a complex shape, with seven f orbitals existing from principal shell n=4 onwards.

• A spherical region around the nucleus where electrons are likely to be found.

• A type of atomic orbital that can hold a maximum of two electrons only.

• A simple, one-lobed shape that represents the location of electrons.

What is the Electron Cloud Model?

• A visual representation of the atom where the probable locations of electrons are depicted as a fuzzy, cloud-like region.

• A model that describes electrons moving in fixed orbits around the nucleus.

• A theory that states electrons have a definite position at all times.

• A diagram that shows only the nucleus of an atom without any electron representation.

What is a p orbital?

• A spherical atomic orbital that can hold two electrons.

• A dumbbell-shaped atomic orbital, with three p orbitals existing in each principal energy shell from n=2 onwards.

• A type of atomic orbital that is only found in hydrogen atoms.

• An atomic orbital that can hold a maximum of six electrons.

What are the principal energy levels within an atom, also known as shells, designated by?

• Principal Quantum Number 'n'

• Atomic Mass Number

• Electron Configuration

• Neutron Count

What is a d orbital?

• A type of atomic orbital with a spherical shape.

• A type of atomic orbital, often with a cloverleaf shape, with five d orbitals existing from principal shell n=3 onwards.

• A type of atomic orbital that can hold a maximum of 2 electrons.

• A type of atomic orbital that is only found in hydrogen atoms.