Flame Test Lab Quiz

An element has the following configuration: 1s²2s²2p⁵

^{How many total electrons does this element have?}

• 5

• 9

• 14

• 20

An element has the following configuration: 1s²2s²2p⁵

How many electrons are in energy level one?

• 1

• 2

• 5

An element has the following configuration: 1s²2s²2p⁵

How many electrons are in energy level two?

• 1

• 2

• 5

• 7

An element has the following configuration: 1s²2s²2p⁵

How many valence electrons does this element have?

• 1

• 2

• 5

• 7

An element has the following configuration: 1s²2s²2p⁵

What is this element?

• Boron

• Nitrogen

• Fluorine

• Chlorine

What color was the lithium in the flame test?

• Red/Orange

• Blue

• Lavender/Purple

• Green

Tags

NGSS.HS-PS1-2

When the element is heated, the electrons jump to higher energy level and this is called the ___ state.

• ground

• excited

What color flame does copper produce?

• Lavender/Purple

• Red/Orange

• Green

• Magenta

Tags

NGSS.HS-PS1-2

When electrons change energy levels, when is light emitted?

• When the electrons jumps to a higher energy level.

• When an electron falls back to the ground state.

• When the electrons jump to the excited state.

• When electrons are resting.

Tags

NGSS.HS-PS4-3

When examining Bohr diagram, the energy level with the greatest amount of energy is the one

• farthest from the nucleus

• closest to the nucleus

• they all have the same energy levels