When Using Two Intensifying Screens, the Front Screen Is Found

question 72

Multiple Choice

When using two intensifying screens, the front screen is found

• A) outside of and in front of the cassette
• B) inside the cassette, away from the tube
• C) inside the cassette, facing the tube
• D) outside and in back of the cassette

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Definitions:

Activation Energies

The minimum amount of energy required to initiate a chemical reaction.

Antibonding π Molecular Orbital

A molecular orbital formed when lobes of p orbitals on two atoms combine in a phase mismatch, weakening the bond between the atoms.

Allyl Cation

A positively charged species (ion), specifically a reactive intermediate with the structure CH2=CH-CH2+.

LUMO

The Lowest Unoccupied Molecular Orbital, which is the lowest energy orbital that can accept electrons.