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Q. What are the Physical Properties of Halogens? Ans. The halogens exist as diatomic molecules held together by a single bond. Reactivity becomes less as you move down
If a mole were to have 1*10^24 particles what is the weight of one mole of oxygen molecule and 1 molecule of oxygen Ans) Since the gram molecular mass remains the similar...weig
The tar command was invented to backup directory trees to magnetic tape. The name is short for 'tape archive´. A directory tree is a branching structure, b ut a magnetic tape is a
Bohr's model can explain : (1) The spectrum of hydrogen atom only (2) Spectrum of atom or ion containing one electron only (3) The spectrum of hydrogen molecule (4
Name the common element present in the anode mud in electro refinig of copper. Ans) ANTOMONY ,STRONSIUM,SELENIUM,TELLURIUM,SILVER,GOLD AND PLATINUM . THESE ELELMENTS ,BEING LESS R
Fundamentals of Acids and Bases Bronsted-Lowry theory: A Bronsted acid is a (proton) + donor, whilst a Brønsted base is a proton acceptor. An acid-base reaction involves t
two oxides of a metal contain 27.6% and 30% oxygen. if the formula for the first oxide is m3o4 then what is the formula for the next oxide?
what are metallic conduction
when a 0.800g sample of cacl2 is dissolved in 9.85g of water in a microscale calorimeter, the temperature of the solution rose from 23.4 to 35.8
Determine the molality of an aqueous solution that is 12.0 percent urea by mass
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