The Effective Nuclear Charge for an Atom Is Less Than

question 25

Multiple Choice

The effective nuclear charge for an atom is less than the actual nuclear charge due to

• A)shielding.
• B)penetration.
• C)paramagnetism.
• D)electron-pair repulsion.
• E)relativity.

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Definitions:

Proportioning Valve

A valve in a vehicle's brake system that modulates the pressure to the rear brakes to prevent them from locking up during braking.

Rear Wheel Lock-up

A dangerous condition where the rear wheels of a vehicle cease to rotate while in motion, often leading to loss of control.

Disc/drum System

A braking system combining both disc and drum brake technologies, typically with discs on the front wheels and drums on the rear.

Dual Circuit Hydraulic

A hydraulic system design that features two independent circuits for added safety and redundancy, often used in brake systems.