For those of us who love chemistry, here's the chemistry society!
I'm not sure who on here is as enthusiastic about chemistry as I am. Most of the talk on here seems to be limited to evolution or the Big Bang- topics which I find to be tediously boring.
Chemistry is where it's at. Chemistry is the most important topic in the world. It affects everything. From the formation of stars, to the decisions we make in our brains- it's all determined by chemical reactions.
I'll start with a chemistry topic: atoms and ions.
The first ionisation enthalpy is the energy needed to remove one electron from one mole of gaseous atoms. Now, of course it increases the further right you go across a period- that's because the protons in the elements increases, so the nuclear attraction between electron and nucleus also increases.
As you down a period, the enthalpy decreases, as the electron is further away from the nucleus and is 'shielded' by more filled electron shells.
The general equation is: X(g)- X+(g) + e-
Second ionisation enthalpy: X+(g)- X2+(g) + e-
I'm not sure who on here is as enthusiastic about chemistry as I am. Most of the talk on here seems to be limited to evolution or the Big Bang- topics which I find to be tediously boring.
Chemistry is where it's at. Chemistry is the most important topic in the world. It affects everything. From the formation of stars, to the decisions we make in our brains- it's all determined by chemical reactions.
I'll start with a chemistry topic: atoms and ions.
The first ionisation enthalpy is the energy needed to remove one electron from one mole of gaseous atoms. Now, of course it increases the further right you go across a period- that's because the protons in the elements increases, so the nuclear attraction between electron and nucleus also increases.
As you down a period, the enthalpy decreases, as the electron is further away from the nucleus and is 'shielded' by more filled electron shells.
The general equation is: X(g)- X+(g) + e-
Second ionisation enthalpy: X+(g)- X2+(g) + e-