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Atomic Structure

Introduction to Atomic Structure
by

Aryaman pandya

on 26 August 2015

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Transcript of Atomic Structure

Atomic Structure

IONS
Ions are basically unstable atoms

This means that they have a charge. (positive or negative)

Ions are what are formed when one atom is made to react with another

A positively charged ion is one that loses electrons

Metals form positively charged ions
ATOMIC MASS NUMBER
ATOMIC NUMBER
DEFINITIONS
ISOTOPES
DEDUCE THE SYMBOL OF ISOTOPES
ACTIVITY:-

1) YOU WILL BE GIVEN THE MASS NUMBER AND ATOMIC NUMBER

2) IDENTIFY THE MASS NUMBER AND ATOMIC NUMBER


How was the atomic structure formed?
VIDEO
Relative Mass and Relative Charge
Atomic number and atomic mass number-

Atomic number is basically the number of protons in an atom/ion

In a stable atom, atomic number is also the same as the number of electrons

Atomic mass number is basically the total number of protons and neutrons in the nucleus of an atom

If you have both the atomic number and the mass number of an atom, it is possible to get the number of neutrons through subtraction

Isotopes and their properties
Radioactive decay
Neutron number
Similar chemical properties and
different physical properties
Uses of radioisotopes
Cancer treatment
Detecting cracks in pipes
Archaeological dating
Full transcript