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Question:
An isotope of $Ge^{76}_{32}$ is
An isotope of $Ge^{76}_{32}$ is
Updated On: May 16, 2022
- $Ge^{77}_{32}$
- $As^{77}_{33}$
- $Se^{77}_{34}$
- $Se^{78}_{34}$
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The Correct Option is A
Solution and Explanation
Isotopes have same atomic number (Z) but
different mass number (A ). Therefore, $^{}_{32}Ge^{76}$ and
$^{}_{32}Ge^{77}$ are isotopes.
different mass number (A ). Therefore, $^{}_{32}Ge^{76}$ and
$^{}_{32}Ge^{77}$ are isotopes.
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Concepts Used:
Structure of Atom
Atomic Structure:
The atomic structure of an element refers to the constitution of its nucleus and the arrangement of the electrons around it. Primarily, the atomic structure of matter is made up of protons, electrons and neutrons.
Daltonβs Atomic Theory
Dalton proposed that every matter is composed of atoms that are indivisible and indestructible.
The following are the postulates of his theory:
- Every matter is made up of atoms.
- Atoms are indivisible.
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Cons of Daltonβs Atomic Theory
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ββSubatomic Particles
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- Electron - are negatively charged subatomic particles.
- Neutrons - are electrically neutral particles and carry no charge
Atomic Structure of Isotopes
Several atomic structures of an element can exist, which differ in the total number of nucleons.These variants of elements having a different nucleon number (also known as the mass number) are called isotopes of the element. Therefore, the isotopes of an element have the same number of protons but differ in the number of neutrons. For example, there exist three known naturally occurring isotopes of hydrogen, namely, protium, deuterium, and tritium.
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