Atomic Structure and Subatomic Particles
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Questions and Answers

What is the location, mass, and charge of a proton?

The location is the nucleus. The mass is 1 amu. The charge is positive.

What is the mass, charge, and location of a neutron?

The mass is 1 amu. The charge is no charge. The location is nucleus.

What is the charge, location, and mass of an electron?

The charge is negative. The location is electron clouds. The mass is zero.

How many electrons does the first energy cloud hold?

<p>2 electrons</p> Signup and view all the answers

How many electrons does the second energy cloud hold?

<p>8 electrons</p> Signup and view all the answers

How many electrons does the third energy cloud hold?

<p>18 electrons</p> Signup and view all the answers

How do you get the neutron?

<p>Subtract proton from mass number.</p> Signup and view all the answers

What is the definition of an isotope?

<p>Atoms that have the same number of protons but have different numbers of neutrons.</p> Signup and view all the answers

What is an electron cloud?

<p>The regions inside an atom where electrons are likely to be found.</p> Signup and view all the answers

What is the nucleus?

<p>The tiny, extremely dense, positively charged region in the center of an atom made up of protons and neutrons.</p> Signup and view all the answers

Study Notes

Protons

  • Located in the nucleus of an atom.
  • Mass is approximately 1 atomic mass unit (amu).
  • Carries a positive charge.

Neutrons

  • Also located in the nucleus alongside protons.
  • Mass is roughly 1 amu.
  • Has no charge, thus neutrally charged.

Electrons

  • Found in electron clouds surrounding the nucleus.
  • Mass is negligible, often considered as zero.
  • Carries a negative charge.

Electron Clouds

  • First energy cloud holds up to 2 electrons.
  • Second energy cloud can accommodate 8 electrons.
  • Third energy cloud has a capacity of 18 electrons.

Neutron Calculation

  • Neutron count can be determined by subtracting the number of protons from the atomic mass number.

Isotopes

  • Defined as atoms with the same number of protons but differing numbers of neutrons.

Nucleus

  • Described as a small, dense, positively charged core of an atom made up of protons and neutrons.

Summary

  • Protons and neutrons are located in the nucleus, while electrons orbit in clouds.
  • Each particle has distinct charges and mass properties essential for atomic structure.

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Description

This quiz explores the fundamental components of atomic structure, including protons, neutrons, and electrons. It delves into their locations, charges, and roles within the atom, as well as details on electron clouds and isotopes. Test your understanding of the basic building blocks of matter!

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