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प्रश्न
What are inert elements?
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उत्तर
The elements have a complete outermost shell, i.e. 2 or 8 electrons. They ordinarily do not enter into any reaction.
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संबंधित प्रश्न
Fill in the blank of the following statement :
Cathode rays are a beam of fast moving _________.
What is an electron? State its relative mass and charge.
The atom of an element X has 7 electrons in its M shell.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
If an atom contains one electron and one proton, will it carry as a whole is neutral
Give the symbol and charge of each particle.
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
Choose the correct answer from A, B, C and D:
When a metal atom becomes an ion:
Name or state the following:
Ion formed by the gain of an electron(s)
The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of the element?
Anode rays travel in straight lines.
