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प्रश्न
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
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उत्तर
The particle which has 18 electrons, 18 neutrons and 17 protons is a negatively-charged Chloride ion (Cl−).
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संबंधित प्रश्न
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
Fill in the following blank with suitable word:
The particle which is formed by the loss of electrons by an atom is called..............
Give example.
Basic radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Chromium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium zincate
State if the following element or radical is divalent?
Lithium
State if the following element or radical is divalent?
Bromide
State if the following element or radical is divalent?
Carbide
