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explain cesium fluoridecompound 2 cesium fluoride would be most likely to exist as an ionic species due to cs and f come from opposite corners of the
the oxygen of the hydronium ionthe oxygen of the hydronium ion has approximately tetrahedral geometry and is therefore sp3-hybridized two of the sp3
number of electron does species havethe h22- ion can be conceived to result from the combination of two hydride ions h- this species have four
how many ion h2- does havethe h2- ion having three electrons this can be conceived as the combination of a hydrogen atom with a hydride ion h- by the
which geometry does have formaldehyde moleculethe formaldehyde molecule has trigonal planar geometrytherefore both the h-c-h bond angle and the h-cao
explain the statement water has bent geometrywater has bent geometry that is the h-o-h bond angle is approximately tetrahedral repulsion among the
explain bond dipole for dimethylmagnesiumthe bond dipole for dimethylmagnesium should show that c is at the negative end of the c-mg bond because
explain relative electronegativitiesan analysis of relative electronegativities would suggest that because c is slightly more electronegative than h
why formal charge does not give an accurate pictureformal charge does not give an accurate picture due to o is more electronegative than h most of
how many atomic number does have nebecause ne has atomic number 10 and f has atomic number 9 the neon species that has 9 electrons is
how many electron have br neutral br being in group 7a has 7 valence electrons therefore br has
write the neutral calcium atom has a numberthe neutral calcium atom has a number of valence electrons euivalent to its group number that is
after the treatment of a with concentrated h2so4 and acetonitrile under thermodynamic conditions only e formed that was subsequently
a monosaccharide a has a molecular weight of 150 da the two stereoisomers b and c that are both optically inactive form when a reacts with
some of them show s-configuration at all their chiral centres illustrate their configurational formulaeif there is a meso-compound with this
what are the compounds having at least single chiral centre asymmetric carbon atom draw their structural formulae line-bond structures with all
calculate the expected enthalpy of hydrogenation of a six-membered ring with three double bonds and compare it with the value obtained in 741what is
how could lipids and proteins form lipoproteins stable superstructures which can be simply transported in blood how would a
explain the two peaks in the diagram how can a living cell control the position of the second peak to adapt the properties of its membrane to the
if lipids are mixed with water what aggregates can they form explain two characteristic superstructures which are commonly found in biological
name the building blocks of lecithinshow the head and tail structures of both lipids in the structure above lipids are substances that are soluble
write down the molecular formula of the overall oxidation reaction of a fatty acid in these three reaction cascadeswhat roles do a and b play in
explain the oxidation product of the respiratory chainhow is the free energy kept at the inner mitochondrial membrane independently of chemical bonds