An element is composed of tiny indivisible, indestructible particles called atoms. All the atoms of an element are identical and have the same properties. Atoms of different elements combine to form compounds. Compounds contain atoms in ratios of small whole numbers. Atoms can combine in more than one ratio to form different compounds. Although all of the statements were valid at the time, several have been modified as new discoveries were made. Which of these tenets have been modified? What caused the modification?
Atomic Structure
The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.
Shape of the D Orbital
Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
In 1808 John Dalton published his atomic theory which was quickly adopted. The five tenets of Dalton's theory are
- An element is composed of tiny indivisible, indestructible particles called atoms.
- All the atoms of an element are identical and have the same properties.
- Atoms of different elements combine to form compounds.
- Compounds contain atoms in ratios of small whole numbers.
- Atoms can combine in more than one ratio to form different compounds.
Although all of the statements were valid at the time, several have been modified as new discoveries were made. Which of these tenets have been modified? What caused the modification?
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