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प्रश्न
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
पर्याय
a cation
an anion
a molecule
a compound
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उत्तर
anion
X, most likely, is an anion because the number of electrons is more than the number of protons.
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संबंधित प्रश्न
Name the following radicals :
SO42
Write the names of `"CuCo"_3` compounds :
Write the names of `"HgO"` compounds :
Define ‘formula mass’ of a compound.
The valencies (or charges) of some of the ions are given below :
Ion Valency Ion Valency (Charge) (Charge)
Sodium ion 1+ Nitrate ion 1–
Copper ion 2+ Sulphide ion 2–
Using this information, write down the formulae of :
- Sodium sulphide
- Copper nitrate
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.
Ferrous sulphide
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?
Lithium
State if the following element or radical is divalent?
Sulphite
