blood in the urine may be a sign of different diseases in the kidneys, the urinary system or the bladder. sugar in the urine may be a sign of diabetes. protein in the urine may be a sign of a kidney disease and can be used to detect the early signs of kidney damage from long-standing diabetes.
The noble gas you would use to write the configuration for the chlorine ion would be neon (Ne) which has an atomic number of 10. This symbol, written inside square brackets [Ne], represents 10 inner core electrons.
2Na(s) + 2H 2 2 (g). Chlorine is a poisonous, yellow-green gas, with a very sharp odor, and was used in gas warfare during World War I. Sodium and chlorine react with each other, however, to produce a substance that is familiar to almost everyone in the world: sodium chloride, or table salt:2Na(s) + Cl 2.azards !!! Do not expose sodium metal to water! The reaction of sodium and water produces hydrogen gas and heat, which is not a good combination! Sodium must be stored under mineral oil, or some other high-molecular weight hydrocarbon. Chlorine gas is toxic, and extremely irritating to the eyes and mucous membranes.