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1,3,5,7-Tetramethyl-1,3,5,7-tetrasilaadamantane is the organosilicon compound with the formula (CH 2) 6 (SiCH 3) 4. It is a colorless solid that is soluble in organic solvents. The compound is one of the iconic carbosilanes, featuring alternating −Si−C−Si−C− linkages. [2] Otherwise it can be described as a diamondoid cluster.
1,3,5-Triaza-7-phosphaadamantane (PTA) is a chemical compound with the formula C 6 H 12 N 3 P, a product of the substitution of a nitrogen atom of hexamethylenetetramine with a phosphorus atom. It is soluble in water, methanol , trichloromethane , acetone , ethanol and DMSO , insoluble in hydrocarbon solvent. [ 1 ]
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For example, to find the seventh Fortunate number, one would first calculate the product of the first seven primes (2, 3, 5, 7, 11, 13 and 17), which is 510510. Adding 2 to that gives another even number, while adding 3 would give another multiple of 3. One would similarly rule out the integers up to 18.
Today's Wordle Answer for #1271 on Wednesday, December 11, 2024. Today's Wordle answer on Wednesday, December 11, 2024, is PLUMB. How'd you do? Next: Catch up on other Wordle answers from this week.
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, ... The prime numbers p n, with n ≥ 1. A prime number is a natural number greater than 1 that is not a product of two smaller ...
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WASHINGTON (Reuters) -A large number of Americans' metadata has been stolen in the sweeping cyberespionage campaign carried out by a Chinese hacking group dubbed "Salt Typhoon," a senior U.S ...