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Group 7 of the periodic table contains all the elements known as halogens. They all have 7 valence electrons (hence group 7!) in their outer shell (insert diagram or prop to show what the outer shell sign...

First it is important to recognise that this is an ideal gas equation question – the exam boards love these so try to get used to spotting if you have the necessary quantities. This is a multi-step proble...

Area=pi x r²r=6, hence Area =36pi

Many stylistic features changed from the fifteenth to the seventeenth century. In order to fully understand these changes, it is first important to understand the motivation of each period. The Renaissanc...

Eine Person welche sich mit so einem Standpunkt ausdrückt erörtert das Sie keine fest Bindung in romantischer Sicht sucht. Dies kann auf einiges zurückzuführen sein - wie z.B. die Erziehung der Person ode...