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प्रश्न
Fill in the blanks.
Isotopes are the atoms of ______ element having the ______ atomic number but ______ mass number.
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उत्तर
Isotopes are the atoms of same element having the same atomic number but different mass number.
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संबंधित प्रश्न
What are the atomic numbers of elements whose outermost electrons is represented by 2p3.
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 variable valency? Name two elements having variable valency and state their valencies.
Name the particles which actually determine the mass of an atom.
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element which can form trivalent ion
Match the atomic numbers 4,8,10,15 and 19 with each of the following:
An element which does not form ion
What is atomic number?
Name the 3 sub-atomic particles of an atom.
Give short answer:
what is the atomic mass number? mention its formula.
Every atom has an equal number of protons and electrons. The nature of the atom is ______.
