Flame Test Lab Review

What should you never do when turning off the bunsen burner?

• Adjust the flame too high

• Use the bunsen burner striker

• Leave the flame unattended

• Blow out the flame

Tags

NGSS.HS-ETS1-3

Where should you place the stirrer once you are done with it?

• In the teacher's waste beaker

• In the beaker with the solution

• On the table

• In the waste beaker filled with water

What should you do if the splint catches on fire during the flame test?

• Continue moving the splint through the flame

• Stop and blow out the flame

• Turn off the gas spigot

• Place the splint in the waste beaker

Where should you move the soaked splints after finishing the experiment?

• Dispose of them in the trash

• Place them in the teacher's waste beaker

• Keep them in your area

• Rinse them and reuse them

What should you do if the flame of the bunsen burner is not a hot blue inner flame?

• Use a different bunsen burner

• Turn off the gas spigot and inform the teacher

• Adjust it until it becomes a hot blue inner flame

• Continue using it for the experiment

What should you do if you need to determine which metal ions are present in the unknown solution?

• Ask the teacher for the answer

• Skip the unknown solution and move on to the next experiment

• Perform a flame test and compare the data to previous data

• Use the same data from the known solutions

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

Tags

NGSS.HS-PS1-2

In which state does an electron have the least amount of energy?

• Excited state

• Ground state

• Orbital

• Bohr model

Tags

NGSS.HS-PS1-2

What color was the lithium in the flame test?

• Red/Orange

• Blue

• Lavender/Purple

• Green

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

• ground

• excited