The alkali metals in group l of the periodic table all have a single electron in the outermost shell. These metals form covalent bonds with for example the halogens, which have 7 electrons in their outer shell.
When the alkali metal halide, such as KCl is dissolved in water, it dissociates into ions. The K atom loses the single electron, and therefore has a positive charge. In turn, the chloride atom gains the electron and becomes the negatively charged chloride ion.
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THE VESSEL IS THE MIDDLE HEPATIC VEIN.
The hepatic veins are the one that carry oxygen depleted blood from the liver into the inferior vena cava. They also transport blood that has been drained from the colon, pancreas, stomach and the small intestines. The hepatic veins are three in number, they are: right hepatic vein, middle hepatic vein and the left hepatic vein.
The cells of a sporophyte stalk differ from egg and sperm cells because the egg is only created from the cells of the woman plant cells and is given sperm from the man cells. ''The sporophyte is a stalk that grows after haploid sperm cell.
