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प्रश्न
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
पर्याय
22
23
21
20
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उत्तर
23
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संबंधित प्रश्न
The atom of an element X has 7 electrons in its M shell.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
If an atom contains one electron and one proton, will it carry as a whole is neutral
Name the sub-atomic particle whose charge is -1.
Write down the number of electrons in X and neutrons in Y.
What are valence electrons?
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
Name or state the following:
A bond formed by transfer of electron(s)
Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in to discovery of
Which of the following statement is always correct?
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
