Atom: Difference between revisions
Thakshashila (talk | contribs) |
Thakshashila (talk | contribs) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 26: | Line 26: | ||
* Reactivity: Dependent on the arrangement of electrons in the outermost shell. | * Reactivity: Dependent on the arrangement of electrons in the outermost shell. | ||
= Atomic Theories= | ==Atomic Theories== | ||
Several theories have been proposed to explain atomic structure: | Several theories have been proposed to explain atomic structure: | ||
* Dalton's Atomic Theory (1803): Proposed that atoms are indivisible and combine to form compounds. | * Dalton's Atomic Theory (1803): Proposed that atoms are indivisible and combine to form compounds. | ||
| Line 33: | Line 33: | ||
* Bohr’s Model (1913): Introduced quantized electron orbits. | * Bohr’s Model (1913): Introduced quantized electron orbits. | ||
* Quantum Mechanical Model: The modern atomic theory describing electron probability clouds instead of fixed orbits. | * Quantum Mechanical Model: The modern atomic theory describing electron probability clouds instead of fixed orbits. | ||
= Importance of Atoms in Chemistry= | |||
==Importance of Atoms in Chemistry== | |||
Atoms play a crucial role in: | Atoms play a crucial role in: | ||
* Chemical Reactions: Atoms rearrange to form new substances through bonding. | * Chemical Reactions: Atoms rearrange to form new substances through bonding. | ||