T1 CH3 Matter Around Us — Science STD 7 — Question
Tamilnadu BoardEnglish MediumSTD 7ScienceT1 CH3 Matter Around Us5 Marks
Question
Draw the symbol for some elements as proposed by Dalton.
What are rules to be followed while assigning symbol to element.
✓
Answer
Symbol for some elements as proposed by Dalton.
The following rules are followed while assigning symbol to an elements:
(a) Chemical symbols usually consist of one or two letters
(b) The symbols of most elements correspond to the first letter (which is capitalized) of their English name. For example, the symbol for oxygen is “O” and that for hydrogen is “H”.
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