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प्रश्न
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
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उत्तर
False. A sodium ion carries a positive charge because it has less number of electrons than a neutral atom.
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संबंधित प्रश्न
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Name the following radicals :
SO42
Fill in the following blank with suitable word:
The particle which is formed by the loss or gain of electrons by an atom is called..............
An element X has a valency of 2. Write the simplest formula for bromide of the element.
An element X has a valency of 2. Write the simplest formula for oxide of the element.
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
State if the following element or radical is divalent?
Bromide
State if the following element or radical is divalent?
Bisulphite
State if the following element or radical is divalent?
Dichromate
