Electrons & Light Extra Practice

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

What atom matches this electron configuration?

1s²2s²2p⁶3s²

• Neon

• Magnesium

• Aluminum

• Potassium

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low

• high, high

• low, high

• low, low

Ground state means that an electron is...

• at its lowest possible potential energy

• in the first shell of an atom

• at a higher than normal energy level

• removed from an atom

In order to go from ground state to an excited state, an electron must

• emit energy

• absorb energy

• rotate

• wiggle

When an electron returns to ground state from an excited state, the atom will

• emit energy

• absorb energy

• rotate

• wiggle

Which is associated with more energy? 

• 2p
• 2s
• 3p
• 1s

What is the correct electron configuration for Selenium

• 1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p⁴
• 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴
• 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p³
• 1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p⁴³

Which model describes electrons in orbit around a central nucleus?

• Bohr

• Rutherford

• Quantum Mechanical

• Plum Pudding

Who determined that it is not possible to simultaneously determine the electron's position and velocity?

• Pauli
• Hund
• Heisenberg
• Einstein