Electronic Structure CP

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

Who proposed that electrons are only found in specific, discrete circular orbits around the nucleus?

• Albert Einstein

• Erwin Schrodinger

• Ernest Rutherford

• Niels Bohr

In the Bohr model, the lowest energy level is ______ the nucleus.

• farthest from

• closest to

The line with the shortest wavelength is produced in the hydrogen spectrum when electron moves

• from n=2 to n=1

• rom n=4 to n=1

• from n=3 to n=1

• from n=4 to n=3

If an electron moves from n=2 to n=4 ...

• it absorbs energy
• it releases energy

Emission spectra (bright line spectra) are created when electrons move from ___.

• higher to lower energy levels.

• lower to higher energy levels.

• s orbitals to p orbitals.

• one atom to a different atom.

How many electrons can the first energy level hold?

• 1

• 2

• 8

• Unlimited

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

All of the elements in a group have the same number of _____.

• energy levels

• valence electrons

• protons

• electrons

Which drawing represents the process by which an emission line is formed? [Emission means that energy is being "emitted" or released by the atom.]

• A

• B

• C

• D