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प्रश्न
State the number of electrons present in the outermost shell of the atoms of the following elements :(i) Neon
(ii) Chlorine
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उत्तर
(i) 8 electrons are present in the outermost shell of Neon
(ii) 7 electrons are present in the outermost shell of Chlorine
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संबंधित प्रश्न
The correct electronic configuration of a chloride ion is :
The atom of an element X has 7 electrons in its M shell.
(a) Write the electronic configuration of element X.
(b) What is the atomic number of element X?
(c) Is it a metal or a non-metal?
(d) What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
(e) What could element X be?
Give scientific reason.
Atomic mass number is a whole number.
Give scientific reason.
Atoms are stable though negatively charged electron is revolving within it.
Draw a neat labelled diagram.
Diagramatic sketch of electronic configuration of Argon (Atomic number 18)
What is meant by the term orbits
Differentiate between the term Stable and unstable electronic configuration.
The following element is given \[\ce{_20Z}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Explain the octet rule for the formation of –
Nitrogen molecule from two nitrogen atoms.
Give a reason for the following:
Helium is chemical extremely unreactive.
