This ppt has the content of basic atomic structure with some images related to it.

1. Atoms
Introduction to atoms
Atoms are the smallest part of
matter which cannot be divided
further into parts. They contain sub-
atomic particles called as Electrons,
protons, neutrons.

2. ATOMIC STRUCTURE
1) Atoms are made up of a nucleus which is located at the centre,
and a number of orbitals, surrounding the nucleus.
2) There are three different types of sub-atomic particles within an
atom namely, electrons(negatively charged particles),
protons(positively charged particles), neutrons(neutral particles
without any charge on them).
3) The nucleus is located at the centre of the atom, which contains the
positively charged protons and the neutrons within it.
4) The negatively charged electrons revolve around the nucleus in
separate paths called as orbitals. The atomic structure, resembles
the structure of our solar system with the Sun at the centre and
the planets revolving around it in different paths.

3. ATOMIC NUCLEUS
1) The atom has a nucleus which contains the protons and
the neutrons collectively called as nucleuons.
2) The nuclear force is responsible for holding the protons and
the neutrons together within the nucleus to form the
atomic nuclei(plural of nucleus).
3) Electrons and protons are oppositely charged particles
which are attracted towards each other under the
influence of electrostatic force of attraction.
4) In an uncharged atom, the number of electrons , is called
its atomic number. It is denoted by the symbol “Z”. The
total number of nucleons is called its atomic mass which is
denoted by the symbol “A”.

4. ELEMENTS, MOLECULES AND
COMPOUNDS
1) Elements are made up of atoms of the same kind. Examples are,
O2(oxygen), H2(Hydrogen) etc. They are the building blocks of
matter.
2) Elements cannot be broken down into simpler substances by
applying physical force. For example elemental phosphorous, P4.
3) Molecules are made up of two atoms of either same or different
kinds of atoms. The combining atoms are bound to each other by
means of chemical bonds. H2O(water), is an example of molecule.
4) Compounds are made up of two or more different atoms combining
together by means of strong chemical bonds. All compounds are
molecules, but all molecules are not compounds.
C6H12O6(glucose) is an example of compound.

5. PERIODIC TABLE

6. ATOMIC STRUCTURE

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