Quantum Model

Quantum Model

What is QUANTUM?

Open Ended

What comes to your mind when you hear the word "quantum"?

In science, a quantum (plural quanta) is the minimum amount of any physical entity (physical property) involved in an interaction.

ELECTRONS

Learning Objectives

1) Describe the energies and positions of the electrons

2) Determine the number of valence electrons using electron configuration and position in the periodic table

Pre-Assessment Activity

Multiple Choice

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

• proton

• neutron

• electron

• boron

Multiple Choice

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

• protons and neutrons

• all subatomic particles are equal in number

• neutrons and electrons

• protons and electrons

Multiple Choice

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

Multiple Choice

What is the center of an atom called?

• The headquarters

• The centrometer

• The hypothesis

• The nucleus

Multiple Choice

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

• proton

• neutron

• electron

• chakra

Multiple Choice

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• cybertron

Multiple Choice

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

• midichlorian

Multiple Select

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

• protons

• neutrons

• megatrons

• electrons

Multiple Choice

Atoms are made up of what?

• molecules

• compounds

• elements

• subatomic particles

Multiple Choice

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

• from highest to lowest energy.

• from lowest to highest energy.

• from f to s levels.

• randomly.

Multiple Choice

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

• shape.

• main energy level.

• velocity.

• charge.

Multiple Choice

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

• lose, absorb

• absorb, lose

• lose, lose

• absorb, absorb

Multiple Choice

What orbital is shown in the picture?

• s orbital

• p orbital

• d orbital

• f orbital

Multiple Choice

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

• JJ Thomson

• Niels Bohr

• Erwin Schrodinger

• James Chadwick

Multiple Choice

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

• Albert Einstein

• Erwin Schrodinger

• Ernest Rutherford

• Niels Bohr