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प्रश्न
Give scientific reason.
Atomic mass number is a whole number.
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उत्तर
Atomic mass number is a whole number because it is the sum of numbers of protons and numbers of neutrons present in an atom. Which is present in the form of integers.
संबंधित प्रश्न
What is the maximum number of electrons which can be accommodated in the L shell of an atom?
What is the maximum number of electrons that can go into the N shell of an atom?
What is the Electronic Configuration of a Hydrogen Atom?
Which of the following represents the correct electron distribution in magnesium ion?
From the Symbol `""_15^31"P"`, State : Electron Configuration of Phosphorus.
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?
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What type of bond will be formed between X and Y?
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Give a reason for the following:
Helium is chemical extremely unreactive.
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