27.Write the symbols proposed by Dalton: ` a) Gold b) Sulphur.(1) `
Answers
Answer :-
a) Symbol for sulphur - ( refer to the attachment 1 )
b) Symbol for Gold - ( refer to the attachment 2 )
Additional information :-
✧ Dalton was the first to use symbols to represent elements in a short way.
✧ But dalton's symbols for element were difficult to draw and inconvenient to use.
✧ J.J. Brezelius proposed the modern system of representing an element.
✧ The symbol of an element is the "first letter" or the "first letter and another letter" of the english name or the latin name of the element.
Example -
- Symbol of carbon - C ( first letter )
- Symbol of calcium - Ca ( first and another letter )
- Symbol of copper - Cu ( latin name 'cuprum' )
Answer :-
a) Symbol for sulphur - ( refer to the attachment 1 )
b) Symbol for Gold - ( refer to the attachment 2 )
Additional information :-
✧ Dalton was the first to use symbols to represent elements in a short way.
✧ But dalton's symbols for element were difficult to draw and inconvenient to use.
✧ J.J. Brezelius proposed the modern system of representing an element.
✧ The symbol of an element is the "first letter" or the "first letter and another letter" of the english name or the latin name of the element.
Example -
Symbol of carbon - C ( first letter )
Symbol of calcium - Ca ( first and another letter )
Symbol of copper - Cu ( latin name 'cuprum' )