What is an atom and it's …
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Posted by Gursimran Kaur 5 years ago
- 4 answers
Aditya Singh 5 years ago
Yogita Ingle 5 years ago
Atoms are the smallest particles of an element which can take reaction.
Size of an atom: Atomic radius is measured in nanometres.
Atomic radii of hydrogen atom = 1 × 10–10 m.
Symbols of atoms:
(a) Symbols for some elements as proposed by Dalton:
(b) Symbols of some common elements:
| Name of the element | Latin name | Symbol | |
| Hydrogen | � | H | |
| Helium | � | He | |
| Carobon | � | C | |
| Copper | Cuprum | Cu | |
| Cobalt | Co | ||
| Chlorine | Cl | ||
| Cadmium | Cd | ||
| Boron | B | ||
| Barium | Ba | ||
| Bromine | Br | ||
| Bismuth | Bi | ||
| Sodium | Natrium | Na | |
| Potassium | Kalium | K | |
| Iron | Ferrum | Fe | |
| Gold | Aurum | Au | |
| Silver | Argentum | Ag | |
| Mercury | Hydragyrum | Hg |
Gursimran Kaur 5 years ago
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Udaypal Singh Sisodiya 5 years ago
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