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Question
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Solution
Atom
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Multiple Choice Questions
The outermost shell of an atom is known as
TRUE \ FALSE
Electrons are present in the nucleus.
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What is an atom?
WRITE SHORT ANSWER
Name the isotopes of hydrogen.
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Draw the electronic configuration of the following elements clearly stating the number of neutrons and protons in their nucleus.
a. Beryllium b. Silicon
c. Chlorine d. Aluminium
e. Nitrogen
State the location of electrons, protons and neutrons in an atom.
Name the sub-atomic particle whose charge is 0.
Define the term Nucleons.
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.
`""_1"H"^1`, `""_0"n"^1`,`""_(-1)"e"^0`
