Which of the Following Is Not True for the Atoms

question 97

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.

Analyze molecules for symmetry elements and determine their chirality.

Understand and apply the concept of conformational isomerism.

Identify the relationships between different isomers and predict properties related to their structural differences.

Understand the variety of revenue models used by businesses.

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Definitions:

Pressure

The force exerted by a substance per unit area on another substance or on a surface, measured in units such as Pascals.

Ventricular Repolarization

The process by which the heart's ventricles return to their resting state after contraction, indicated by the T-wave in an ECG.

ECG

Electrocardiogram, a test that records the electrical activity of the heart to detect heart problems.

T Wave

A feature on an electrocardiogram (ECG) representing the repolarization of the ventricles of the heart.