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प्रश्न
What are nucleons? How many nucleons are present in Phosphorous? Draw its structure.
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उत्तर
Nucleons: Particles which constitute the nucleus are called nucleons.
Protons and neutrons are nucleons.
The atomic mass of phosphorus = 31
Atomic number = 15
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संबंधित प्रश्न
State the mass number, the atomic number, number of neutrons and electronic configuration of the following atoms.
`""^12""_6C, ""^16""_8O, ""^19""_9F, ""^20""_10Ne, ""_13""Al""^27, ""_17""Cl""^35`
Also, draw atomic diagrams for them.
The atom of an element X has 7 electrons in its M shell.
What is the atomic number of element X?
Define the following form:
Atomic number
What is the significance of atomic numbers in the modern Periodic Table?
Draw the orbital diagram of `""_20^40"Ca"^(2+)` ion and state the number of three fundamental particles present in it.
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
Do isotopes have the same atomic number or the same mass number?
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Isotopes of hydrogen [11H, 21H, 31H]
Differentiate between the following term:
Atomic number and mass number
A ______ number describes a specific aspect of an electron.
If an atom has 6 electrons in its outermost shell, it is inert.
