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प्रश्न
Name the subatomic particle whose relative charge is : –1
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उत्तर
An electron has a relative charge of –1.
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संबंधित प्रश्न
The atom of an element X has 7 electrons in its M shell.
Is it a metal or a non-metal?
Write down the electronic configuration of the following:
(a) `""_13^27"Y"`
(b) `""_17^35"Y"`
Element X has electronic configurations 2, 8, 18, 8, 1. Without identifying X,
- Predict the sign and charge on a simple ion of X.
- Write if X will be an oxidizing agent or a reducing agent. Why?
Choose the correct option
The number of valence electrons in O2- is :
Explain the following:
Atoms combine by transfer and sharing of an electron(s).
Name or state the following:
A bond formed by transfer of electron(s)
Explain in brief the experimental proof which led to the discovery of –
Electrons
Cathode rays are made up of
Anode rays travel in straight lines.
An atom has a number of orbits and each orbit has protons.
