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GEOCHEMISTRY
The chemical processes taking place in the crust are especially important as they have build ores, concentrated mineral deposits that are exploited industrially as sources of specific components and their elements. Summarizes the principal chemical forms in which each element perform. At least half the elements prepare in the crust as oxides (mostly complex ones such as silicates) or less commonly as halides, and are called lithophiles. All the bigger electropositive metals are in this class. Chalcophiles are components present in sulfide minerals; these include some elements chemically same to sulfur (As, Se) together with less electropositive metals of the later post transition and transition metal groups.
Fig. 1. The periodic table showing the principal types of chemical compound occurring for elements at the Earth's surface.
write a short note on colour and constitution
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Which of the following has the least energy: (1) 2p (2) 3p (3) 2s (4) 4d Ans: 2s
Yes, the basic character decreases due to resonace. This is because resonance is strongly linked to conjugation and hyperconjugation. Due to the pi-lp conjugation, the electon dens
Fractional distillation is based on boiling a solution of two liquids and collecting the vapor above them multiple times. This method is often used in creating distilled spirits wi
Water pressure is the same in all directions Punch holes around the base of a tall tin can with a nail. Wrap the holes as above with a strip of tape. Fill the can with water an
DISAVANTAGES OF FLAME AAS
Q. What are the diffrent forms of energy? Ans: Kinetic energy is energy of motion. Gas molecules of a given substance move much more rapidly than do the molecules in the soli
need help with calculating gases
what is the role of a double indicator
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