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प्रश्न
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
उत्तर
What is the atomic mass of the atom= 27
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संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
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Name the particle or particles you would expect to find in :
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An atom of an element X may be written as `""_9^4"X"`
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(f) How many electrons are there in the outermost shell of an atom of element X?
(g) Write the symbol of ion formed by an atom of element X.
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
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