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Questions and Answers
What is the charge of protons?
What is the charge of protons?
Which subatomic particle contributes to the atomic number of an element?
Which subatomic particle contributes to the atomic number of an element?
What is the role of electrons in determining the chemical behavior of an element?
What is the role of electrons in determining the chemical behavior of an element?
Which subatomic particle does not affect the atomic number of an element?
Which subatomic particle does not affect the atomic number of an element?
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How is the mass number of an atom determined?
How is the mass number of an atom determined?
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What does the atomic number of an element represent?
What does the atomic number of an element represent?
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Which subatomic particle is symbolized by 'Z'?
Which subatomic particle is symbolized by 'Z'?
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Study Notes
Subatomic Particles
Subatomic particles are the tiny constituent parts that makeup an atom. There are three primary subatomic particles: protons, neutrons, and electrons.
Protons are positively charged particles located in the nucleus of an atom. They determine the atomic number of an element since each proton contributes one positive charge.
Neutrons are uncharged particles also found inside the nucleus. Like protons, they contribute to the overall mass of the atom, which along with the protons, makes up the mass number. However, unlike protons, neutrons don't affect the atomic number due to having zero charge.
Electrons are negatively charged particles that orbit around the nucleus outside the electron shells. They play a crucial role in determining the chemical behavior of an element because of their distribution and movement.
Atomic Number
The atomic number (also known as the proton number) represents the total number of protons in an atom's nucleus. It is symbolized by 'Z'. This number uniquely identifies an element on the periodic table and helps us understand various aspects of chemistry, like chemical reactivity and bond formation.
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Description
Explore the fundamental components of an atom such as protons, neutrons, electrons, and delve into the concept of atomic number. Understand how these subatomic particles contribute to the overall properties and behavior of elements in the periodic table.
