Quantum Theory

What is the lowest energy state of an atom called?

• the ground state

• the excited state

• the solid state

• the quantum state

What is the quantum number?

• the number assigned to each orbit of an electron

• the total number of electrons in an atom

• the total number of orbit/energy levels

• the number of valence electrons

Tags

NGSS.HS-PS1-2

How many p orbitals are there? What shape are they similar to?

• 3; sphere

• 2; sphere

• 3; dumbells

• 5; dumbells

Louis de Broglie (1892–1987) hypothesized that particles, including electrons, could also have wavelike behaviors.

• True

• False

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Heisenberg was a German theoretical physicist and one of the key pioneers of quantum mechanics

• True

• False

Tags

NGSS.HS-PS4-3

What sublevel of energy in atomic orbital is this?

• f sublevel

• d sublevel

• s sublevel

• p sublevel

The lowest allowable energy state of an atom is called its ground state.

• True

• False

Hydrogen’s single electron is in the n = 1 orbit when it is in the ground state.

• True

• False

What sublevel of energy in atomic orbital is this?

• s sublevel

• f sublevel

• d sublevel

• p sublevel

Tags

NGSS.HS-PS1-1

Electron cloud is based on

• Quantum Mechanics

• Gold Foil Experiment

• Matter is made up of small particles called atoms

• Nuclear Theory