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प्रश्न
Fill in the following blank with suitable word:
A potassium ion has positive charge because it contains less............... than.....................
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उत्तर
A potassium ion carries a positive charge because it contains less number of electrons than protons.
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संबंधित प्रश्न
Name the following radicals :
Cr2072
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
Give example.
Positive radicals
What do you understand by the following terms?
Basic radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium zincate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium manganate
State if the following element or radical is divalent?
Sulphite
