Which of the Following Statements Is Incorrect

question 16

Multiple Choice

Which of the following statements is incorrect?

• A)Stern and Gerlach discovered electron spin by passing silver atoms through a magnetic field.
• B)Hund's rule states that electrons are placed in the orbitals of a subshell in such a way as to give a maximum number of unpaired electrons.
• C)The Pauli exclusion principle states that each electron in an atom must have its own unique set of quantum numbers.
• D)Valence electrons consist of those electrons not contained within a noble-gas core or a pseudo-noble-gas core.
• E)The building-up principle states that electrons are added to atoms in order of increasing principal quantum number.

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Definitions:

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Conditions caused by alterations in the number or structure of chromosomes, leading to disease or disability.

Pregnancy

The period during which a fetus develops inside a woman's uterus, typically lasting around 40 weeks from the last menstrual period to birth.

Unborn Child

A term referring to a fetus or embryo that has not yet been born, particularly in discussions about prenatal care and rights.

Klinefelter Syndrome

A genetic condition affecting males, characterized by an additional X chromosome, which can lead to developmental and physical differences.