Mass Defect

Mass Defect

Assessment

Flashcard

Physics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is mass defect (Δm)?

Back

Mass defect is the difference between the mass of an atomic nucleus and the sum of the masses of its individual protons and neutrons.

2.

FLASHCARD QUESTION

Front

What is binding energy?

Back

Binding energy is the energy required to disassemble a nucleus into its constituent protons and neutrons, equivalent to the mass defect.

3.

FLASHCARD QUESTION

Front

What is the formula for calculating mass defect?

Back

Δm = (Zmp + Nmn) - mnucleus where Z is the number of protons and N is the number of neutrons.

4.

FLASHCARD QUESTION

Front

What does the symbol Z represent in nuclear physics?

Back

Z represents the number of protons in the nucleus of an atom.

5.

FLASHCARD QUESTION

Front

What does the symbol N represent in nuclear physics?

Back

N represents the number of neutrons in the nucleus of an atom.

6.

FLASHCARD QUESTION

Front

How is binding energy related to mass defect?

Back

Binding energy is directly proportional to mass defect, as described by Einstein's equation E=mc².

7.

FLASHCARD QUESTION

Front

What is the significance of mass defect in nuclear reactions?

Back

Mass defect indicates the stability of a nucleus; a larger mass defect generally means a more stable nucleus.

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