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Milgram’s study in 1963 aimed to explore the idea of obedience to see whether people would blindly follow orders from an authority figure. He gathered 40 participants aged 20 to 50 who volunteered from an...

As you move across the period you are adding one more proton which increases the nuclear charge, you are also adding one more electron, however, the shielding provided by the extra electron is less than t...

Solving simultaneous equations by elimination; firstly you would multiply the first equation by 4 to get another equation which we will name (3), and multiply the second equation by 3 to get another equat...

The theory of Evolution by Natural Selection was first proposed by Darwin in 1859. Evolution is the observation that species change over time, for example the beak of birds getting larger or the neck of g...

This is due to the different numbers of electrons in each molecule and VSEPR (Valence Shell Electron Repulsion) theory. This theory states that as electrons are negatively charged, the valence electrons i...