Consider Two Different Isotopes of the Same Neutral Element

question 6

Multiple Choice

Consider two different isotopes of the same neutral element.Which statements about these isotopes are true? (There may be more than one correct choice.)

• A) Both isotopes contain the same number of neutrons.
• B) Both isotopes contain the same number of protons.
• C) Both isotopes contain the same number of nucleons.
• D) Both isotopes contain the same number of orbital electrons.
• E) The sum of the protons and neutrons is the same for both isotopes.

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Definitions:

Tumor Cell

A cell that has undergone genetic changes enabling it to divide uncontrollably and possibly lead to cancer.

Checkpoint Gene

A gene that regulates cell cycle checkpoints to ensure cells do not divide unless certain conditions are met, playing a key role in preventing cancer.

Proto-Oncogene

Gene that, by mutation, can become an oncogene.

Malignant Neoplasm

A cancerous tumor that is invasive and can spread to other parts of the body.