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प्रश्न
An element is composed of ______ atoms.
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उत्तर
An element is composed of same kind of atoms.
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संबंधित प्रश्न
Write the names of `"Ca"("NO"_3)_2` compounds :
Write the full form of IUPAC.
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
The electronic configuration of an element Z is 2, 8, 8.
(a) What is the atomic number of the element?
(b) State whether element Z is a metal or a non-metal.
(c) What type of ion (if any) will be formed by an atom of element Z? Why?
(d) What is special about the outermost electron shell of the atom of this element?
(e) Give the name and symbol of element Z.
(f) Name the group of elements to which Z belongs.
The electron shell ______ is nearest to the nucleus.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
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Define – Atom.
Draw the structure of an atom and explain the position of the sub-atomic particles.
A change in the physical state can be brought about
