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प्रश्न
What is meant by the 'atomic number of an element'?
उत्तर
An atomic number of an element is the number of protons in the nucleus of an atom.
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संबंधित प्रश्न
Multiple Choice Questions
The sub atomic particle with negative charge is
TRUE \ FALSE
After the emission of a beta-particle, the atomic number of the atom increases by one.
Define the following form:
Atomic number
Elements X, Y and Z have atomic numbers 6,9 and 12 respectively. Which one:
- Forms an anion
- Forms a cation
Define the term ‘atomic number’ of an atom.
The atomic number of an element is 9, it has 10 neutrons. Find the element from the periodic table. What will be its mass number?
Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number.
‘Z’ is denoted by ______.
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 ______.
