A. In fixed proportions its really the only one that makes sence, You shouldn't need to look this one up. :)
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Dalton's fourth postulate states that atoms combine in simple whole-number ratios to form compounds. This postulate laid the foundation for the law of definite proportions and the law of multiple proportions in chemical reactions and helped in the development of modern atomic theory.
Dalton's third postulate states that atoms cannot be created or destroyed in a chemical reaction, they can only be rearranged. So, atoms cannot be destroyed by any chemical process as per Dalton's atomic theory.
John Dalton's work on atomic structure helped to explain the Law of Multiple Proportions put forth by French chemist Joseph Proust. This law states that when elements combine to form compounds, they do so in simple whole-number ratios based on their atomic masses. Dalton's atomic theory proposed that elements are made up of indivisible particles called atoms, which provided a conceptual foundation for understanding how elements combine to form compounds in fixed ratios.
The fourth and fifth states of matter, like plasma and Bose-Einstein condensates, are being explored for potential application in various energy technologies such as fusion reactors and quantum computing. These states offer unique properties that can be harnessed for efficient energy production and storage, although practical implementation is still in the research and development stage.
The law of multiple proportions states that when two elements combine to form more than one compound, the ratio of the masses of one element that combine with a fixed mass of the other element can be expressed in small whole numbers.
The three states of matter are solid, liquid, and gas. These states are based on the arrangement of particles and how they interact with each other. Additionally, plasma is considered a fourth state of matter.