The Structure Of The Atom

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| By Choraleart

Choraleart

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Quizzes Created: 1 | Total Attempts: 591

Questions: 5 | Attempts: 591 | Updated: Mar 21, 2023

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To test student's knowledge of the basic structure of the atom.

Questions and Answers

1.

What orbits about the nucleus?
- A.
  
  Protons
- B.
  
  Neutrons
- C.
  
  Electrons
Correct Answer
C. Electrons

Explanation
Electrons orbit about the nucleus. Electrons are negatively charged particles that are found in specific energy levels or shells around the nucleus of an atom. These energy levels determine the electron's distance from the nucleus and its energy. The electrons are constantly in motion and occupy different orbitals within the energy levels. They play a crucial role in chemical bonding and determining the properties of an element.

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2
2.

What does the Nucleus consist of?
- A.
  
  Protons
- B.
  
  Neutrons
- C.
  
  Electrons
- D.
  
  Protons and Neutrons
Correct Answer
D. Protons and Neutrons

Explanation
The nucleus consists of protons and neutrons. Protons are positively charged particles, while neutrons have no charge. These two particles are located at the center of an atom and make up the majority of its mass. Electrons, on the other hand, are negatively charged particles that orbit around the nucleus in specific energy levels. However, they are not part of the nucleus itself.

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3.

The fundamental particles that makes up the Neutrons are Quarks.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Neutrons are composed of three quarks: two down quarks and one up quark. These quarks are held together by the strong nuclear force. Therefore, the statement that quarks are the fundamental particles that make up neutrons is true.

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2
4.

How many Quarks is Protons made up of?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
Correct Answer
C. 3

Explanation
Protons are made up of three quarks. Quarks are elementary particles that are the building blocks of protons and neutrons, which make up the nucleus of an atom. Protons consist of two up quarks and one down quark, giving a total of three quarks. Therefore, the correct answer is 3.

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2
5.

The atom is a basic unit of matter.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The statement is true because an atom is indeed the fundamental building block of matter. Atoms are composed of subatomic particles such as protons, neutrons, and electrons. They combine to form molecules and compounds, which then make up all the substances in the universe. This concept is a fundamental principle in chemistry and physics, explaining the structure and behavior of matter.

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1

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Nov 16, 2009

Quiz Created by
Choraleart

The Structure Of The Atom

What orbits about the nucleus?

What does the Nucleus consist of?

The fundamental particles that makes up the Neutrons are Quarks.

How many Quarks is Protons made up of?

The atom is a basic unit of matter.