Question

dalton and Berzelius different allocating elements

Answer 1

A symbol is defined as an short hand sign or abbreviation for the representation of an elements.
Dalton Approach to assign Symbols:
---> Dalton used shape of Circle for assigning symbol for element.
О --- oxygen
Ο with dot inside -- Hydrogen
Ο with dark shade -- carbon
Ο with N alphabet - Nitrogen
Ο with I alphabet -- Iron
⊕-- Suphur
Please refer attachment
J.J Berzelius suggested that symbols of the elements can be written by English names.

1. For most of the elements , the first alphabet in the name of element is written in capital form and is taken as symbol for that element.

For eg: Oxygen –O

Sulphur --S

Carbon -- C

2. For some elements, the first letter written in capital form and next prominent letter written in smaller form the name of element is taken as its symbol.

Eg: Nickel : Ni

Neon--Ne

Calcium- Ca

Silicon- Si

Chromium-Cr

3. later Some elements were named on Latin name

For example:

Potassium - Latin Name - Kalium- K

Sodium- Latin Name- Natrium- Na

Gold- Aurum-Au

Silver-- Argentum- Ag

4. Some elements were represented based on country name, planet name or scientist names

For example:

Element- Bhorium- Scientist name - Bohr- Symbol- Bh

Element - Mendelevium- Scientist name- Mendeleev - Symbol- Md

Element - Indium--Country name- India- symbol- In

Element - francium- Country name- France- Fr

Element - Plutonium-Planet name- Pluto