Neils Bohr's atomic theory is similar to the concept of the...

• solar system

• circles with dots

• spinning wheel

• None of the above

The correct definition of 'ground state' is...

• the lowest allowed energy level of an atom

• the highest allowed energy level of an atom

• an atom broken up into small pieces like dirt from the ground

• when an electron is excited to a higher level

'Quantum numbers' are...

• used to describe amount of things an atom can react with.

• used when describing number of electrons.

• used when describing the energy levels available to atoms and molecules.

• used when labelling parts of a wave.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Select the Quantum number with the highest energy...

• n=1

• n=3

• n=5

• n=7

A __________ is a subatomic particle with a negative charge.

• proton

• neutron

• electron

• nucleus

How are electrons arranged in an atom?

• In groups of five
• In energy levels
• By color
• By shape

Tags

NGSS.HS-PS1-1

___________ __________ is the lowest energy level an electron will occupy in an atom at an ordinary condition

• ground state

• excited state

• highest state

• none of the above

When an electron absorbs enough energy, it jumps up to a higher level. This is called

• absorption state

• excitation state

• emission state

• relaxation state

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

According to Bohr, the energy absorbed by an electron upon excitation comes in a fixed amount called

• exact energy

• fixed energy

• quantized energy

• None of the above

Soon after the electron absorbs energy, this energy is released in a form of light or photon. True or False?

• True

• False

Tags

NGSS.HS-PS4-3