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Basic particales of atom

on May 11, 2020

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Basic particales of atom

There are 3 basic particales of atom

1. Electron (-)
2. Neutron (0)
3. Proton (+)

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What is difference between phenyl, benzyl, benzal and benzo group?

What is difference between phenyl, benzyl, benzal and benzo group ? When one H atom is replaced from benzene, then resulting group is called phenyl. When benzene is directly attached with CH 2 - group, resulting group is called benzyl group . When benzene is directly attached with CH- group, resulting group is called benzal group . When benzene is directly attached with C- group, resulting group is called benzo group. Note: The valence of C atom must be 4

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Why is the atom overall electrically neutral although it has negative charged electron and positive charge proton?

Atom is an neutral partical: The electron has (-) charge and proton has (+) charge in an atom. The atom has an equal number of electrons and protons, it has an equal number of negative electric charges and positive electric charges. Therefore, the total charge on atom is zero and the atom is called as neutral. E.g: Na is a neutral partical. Note: In case of charge species, atom can never be a neutral partical, e.g Na +1 is not a neutral partical.

Basic particales of atom

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