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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
What are the atomic numbers of elements whose outermost electrons is represented by 3p5?
Multiple Choice Questions
If the atomic number of an atom is 17 and mass number is 35 then number of neutron will be
What is the significance of atomic numbers in the modern Periodic Table?
The atomic number and mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement?
What is meant by the 'atomic number of an element'?
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Calcium – \[\ce{^40_20Ca}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
Which of the following are true for an element?
- Atomic number = number of protons + number of electrons
- Mass number = number of protons + number of neutrons
- Atomic mass = number of protons = number of neutrons
- Atomic number = number of protons = number of electrons
If element M has mass number 24 and atomic number 12, how many neutrons does its atom contain?
Element ‘P' has electronic configuration 2,8,8,1. The number of chlorine atoms present in the chloride of ‘P’ is ______.
