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preface




            Are artists necessary or good-for-nothings?          of  the  elements  which  arranges  them  according  to  their
            by Hans-Joachim Horstmann                            properties. I am no theoretical chemist, but biologist (and
                                                                 biochemist), so please excuse if I attribute human response

            The German philosopher Gottfried Wilhelm Leibniz (1646-1716)   to these elements. So, I imagine that elements put an effort
            asked, “Why is something and not nothing?” Like everybody   into having or attaining completely occupied electron shells,

            else, I suppose, there is something and not nothing. But I do   which are initially present in the inert gases (helium, neon)
            not ask Why?, since I cannot answer this question. I cannot   and explain their disinclination to react. For me, as an artist,
            KNOW. Other people can’t either. They can only claim or   this is an immanent harmony which is inherent in this matter.
            believe to know.                                     On the left in the periodic table, there are what is called the
                                                                 alkali metals (lithium, sodium, potassium) which only have one

            Since obviously there IS something, is it the Greek CHAOS   electron in the next outer shell. They “like” to lose it so as to
            of Hesiod (ca. 700 B.C.), the gaping void? No, because this   dissolve in the form of positive ions in aqueous solutions. On
            findable something is structured. Is it evil? No, as I see   the right in the periodic table, there is the group of halogens

            harmonies from the beginning. They, so I think, cannot be   (fluoride, chloride) whose electron shells are almost complete:
            “evil”. Maybe there was something like a terrible mess of the   they greedily absorb the free electrons contained in solutions
            first “particles” after the big bang and prior to further cooling,   of alkali metals, thus having craftily attained the harmony of a
            but then hydrogen atoms formed. Apparently, they were the   complete shell. But what of the element groups in the middle
            most stable structures compared to other more instable ones   of the periodic table? There is carbon (C), nitrogen (N) and

            (which fell prey to the first Darwinian selection). But if this   oxygen (O). Their “trick” is, they form a bond together with a
            something was not “evil”, then it was neutral or even good,   partner – each providing an electron which belongs to both of
            meaning – to me – productive to develop more complex   them – the “covalent” bond; a nice deal, since both partners

            forms of matter.                                     thus manage to achieve a shell of 8 electrons.


            Please allow me to make a brief digression into chemistry:   Let us now turn to carbon (C). Why? C is the core element for
            The first atoms (hydrogen [H], helium [He]), together with   any type of life wherever it will be possible in the universe,
            other elements, bred later in suns, fit into a periodic table   with its billions of suns orbited by planets. Some of them are
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