24/25 Energy Levels

Multiple Choice

Where are you most likely to find electrons?

• Floating freely in space.
• In the outer shell of a molecule.
• In the nucleus of an atom.
• In the electron cloud of an atom.

Dropdown

When an electron ​

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(take in) energy, it moves to a ​

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energy level. This higher energy level is called an ​

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state.

Dropdown

An excited electron will eventually return to its original ​

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energy level (​

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state).This process ​

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energy in the form of a ​

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of light.

​

​longer

​less

Match

Match the following

• blue/violet light

• red/orange light

• Higher frequency

• Smaller frequency

Larger energy transitions emit

Smaller energy transitions emit

shorter wavelengths and greater energy

longer wavelengths and less energy

• Larger energy transitions emit

• Smaller energy transitions emit

• shorter wavelengths and greater energy

• longer wavelengths and less energy

Drag and Drop

Visible light are the colors our eyes can detect. In order of lowest frequency to highest frequency, those colors are:

​

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, orange, ​

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, green, blue, ​

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and violet

Drag these tiles and drop them in the correct blank above

red

yellow

indigo,

black

white

Multiple Choice

Scientists can use the emission spectrum to determine the composition of substances.

• True

• False

Open Ended

Give one real world example of electrons emitting photons.