Which of the Following Is NOT True for the Atoms

question 53

Multiple Choice

Which of the following is NOT true for the atoms ¹³N, ¹⁴N, and ¹⁵N?

• A)They all have the same mass number.
• B)They are isotopes.
• C)They all have the same atomic number.
• D)They all have 7 protons.
• E)They all have 7 electrons.

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Definitions:

Wheels

Circular components that rotate around an axle, enabling vehicles and machinery to move across surfaces with reduced friction.

Disc Wheels Nuts

Fasteners used to secure disc wheels to the axle of a vehicle.

Right Hand Thread

The conventional threading direction where turning the screw or bolt clockwise will advance it, commonly used in screws, bolts, and nuts.

Reverse Direction

A method or process of moving or operating in the opposite direction to the usual or expected way.