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प्रश्न
Select the correct answer to the statement given below:
An elementary particle of matter – of a group of atoms of different elements behaving as a single unit with charge on the group.
विकल्प
Molecule
Orbits
Atom
Valency
Radical
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उत्तर
Radical
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संबंधित प्रश्न
How many atoms are present in a PO43− ion?
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
Name the following radicals :
SO42
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
Fill in the following blank with suitable word:
A sulphide ion has negative charge because it contains less ....................... than ...................
Give example.
Composite radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Magnesium phosphate
Fill in the blank:
A radical with one atom of sulphur and three atoms of oxygen are __________.
State if the following element or radical is divalent?
Carbide
Atoms that carry positive or negative charges are called ______.
