Physics 10th Ch-18 Atomic and Nuclear Physics Quiz

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Questions and Answers

What is the atomic number of an element?

The sum of protons and neutrons in the nucleus
The smallest particle of matter
The number of electrons revolving around the nucleus
The number of protons present in the nucleus of its atoms (correct)

What is the mass number of an atom?

The number of protons present in the nucleus
The number of neutrons present in the nucleus
The sum of number of protons and neutrons present in the nucleus (correct)
The number of electrons revolving around the nucleus

What are nucleons?

Particles found in the electron orbits
Particles with a positive charge
Particles with a negative charge
Particles found in the nucleus of an atom, including protons and neutrons (correct)

What are isotopes?

<p>$A_Z^X$ representing atoms with same number of protons but different number of neutrons (C)</p> Signup and view all the answers

What is meant by nuclide?

<p>$A_Z^X$ representing an atom (C)</p> Signup and view all the answers

Study Notes

Atomic Structure

Atomic number of an element is the number of protons present in the nucleus of an atom, which determines the identity of an element.
Mass number of an atom is the total number of protons and neutrons present in the nucleus of an atom.

Nucleons and Nuclides

Nucleons are the protons and neutrons present in the nucleus of an atom.
Isotopes are atoms of the same element with the same atomic number (number of protons) but different mass numbers (different number of neutrons).
A nuclide is a specific atom with a certain number of protons and neutrons in its nucleus, often represented by the symbol AX, where A is the mass number and X is the symbol of the element.

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Description

Test your knowledge of atomic and nuclear physics with this quiz based on the 18th chapter of a 10th-grade physics textbook. The quiz covers topics such as atoms, nucleons, atomic number, mass number, and nuclide.