Protons are?

Study for the BU Dental Radiology Exam. Use flashcards, multiple choice questions with hints, and explanations to master the material. Get ready for your exam!

Multiple Choice

Protons are?

Explanation:
Protons are positively charged subatomic particles that reside in the nucleus of an atom. Each proton carries a positive elementary charge (+1e) and about 1 atomic mass unit of mass. The number of protons in the nucleus—the atomic number—defines the element, while in a neutral atom the total positive charge from protons is balanced by the total negative charge from electrons. This is why protons are described as positively charged, in contrast to electrons which are negatively charged and neutrons which are neutral.

Protons are positively charged subatomic particles that reside in the nucleus of an atom. Each proton carries a positive elementary charge (+1e) and about 1 atomic mass unit of mass. The number of protons in the nucleus—the atomic number—defines the element, while in a neutral atom the total positive charge from protons is balanced by the total negative charge from electrons. This is why protons are described as positively charged, in contrast to electrons which are negatively charged and neutrons which are neutral.

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