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प्रश्न
What are orbits or shells of an atom?
उत्तर
The circular orbits (shell present) in the space available around the nucleus on which electrons revolve are called orbits or shells of an atom.
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संबंधित प्रश्न
What are the atomic numbers of elements whose outermost electrons is represented by 3s1.
The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element ?
From the symbol `""_15^31"P"`, state : atomic number of phosphorus
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element which can form trivalent ion
Elements A, B and C have atomic numbers 9, 20 and 10 respectively.
- State which one is
(1) a non-metal,
(2) a metal,
(3) chemically inert.[A,B,C] - Write down the formula of the compound formed by two of the above elements.[BA2]
What is atomic number?
The atomic number and the mass number of an element is 26 and 56 respectively. Calculate the number of electrons, protons and neutrons in its atom. Draw the structure.
What is mass number of an atom?
______ = No. of protons = No. of the electrons.
If an atom has 6 electrons in its outermost shell, it is inert.
