This is the phenomenon which arise due to the inability of inner electrons to take part in the chemical reactions. For example in case of group 15 we have Phosphorus, Arsenic , Tin and Bismuth. They all show the oxidation states of +3 and +5, but as we move down the group we will seeContinue reading “What is the inert pair effect?”
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The second electron affinity of oxygen is positive, what does that mean?
Electron affinity is the amount of energy change during the addition of an electron to an isolated gaseous atom. It can be positive as well as negative. Negative electron affinity means that the energy is released during the addition of electron. Which is a favorable condition for gaining an electron. But positive value means thatContinue reading “The second electron affinity of oxygen is positive, what does that mean?”