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प्रश्न
Draw the electron dot structure of this compound.
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संबंधित प्रश्न
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
Name two particles found inside the nucleus. What are they collectively called ?
Who originated the word ‘atom’ ?
Fill in the blank
A deficiency of electrons produces a ________ charge.
One nm is equal to :
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.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
An element is composed of ______ atoms.
The first scientific theory about atoms was given by J J. Thomson.
