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Elements in the Same Group Have the Same Number of
We review their content and use your feedback to keep the quality high. Therefore both these elements belong to the same group. Chemistry Groups Of The Periodic Table Watch Subsequent Videos In Series For More Information Teaching Chemistry Learning Science Element Chemistry Elements that share properties of both metals and nonmetals are called A. . They have the most in common between the two directions. -hydrogen has the same number of valence electrons as a Group 7A element -hydrogen like the alkali metals forms a cation with a 1 charge-hydrogen unlike the group 7A elements does not form covalent bonds-hydrogen has the same valence electron configuration as. Since elements in a group. The elements in the same group have the same number of valence electrons and hence similar chemical and physical properties. Electronic configuration of element X is 2 8 7. Hence the correct option is B Solve any question of Classification...
Why Mercury is Used in Barometer
Why is mercury preferred over water in a barometer. High density scales down the pressure headh to repesent same magnitude of pressure in a tube of smaller. How It Works Barometers Weather Instruments Barometer So we cannot replace mercury by. . These advantages would be- Mercury does not stick to glass and hence theres very little chance of a stray drop or two of mercury obscuring you. While a barometer using water for instance would need to be 136 times higher column length than a mercury barometer to obtain the. This allows mercury to be used in a small container. 1Mercury is more dense. That is if water is used in barometer tube instead of mercury the length of the tube must be greater than 10326 cm. Why Is Mercury Used In Barometers. Mercury is used in barometers and not water. Due to this luminescent property of mercury it can make its measurements stand out clearly. As well as the mercury has lower ...
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