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प्रश्न
Define the term ‘mass number’ of an atom.
उत्तर
Mass number of an element is equal to the sum of protons and neutrons in the nucleus of the atom.
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संबंधित प्रश्न
If number of electrons in an atom is 8 and number of protons is also 8, then
- What is the atomic number of the atom? and
- What is the charge on the atom?
Fill in the blank
An ion which has a positive charge is called a ..................
WRITE SHORT ANSWER
Define the atomic mass number of an atom.
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What are its atomic number and mass number?
What is meant by the 'atomic number of an element'?
Match the atomic numbers 4,8,10,15 and 19 with each of the following:
An element which does not form ion
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
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Atomic no. = 1
Mass no. = 1
Do isotopes have the same atomic number or the same mass number?
Differentiate between the following term:
Atomic number and mass number
If element M has mass number 24 and atomic number 12, how many neutrons does its atom contain?
