氯化钠

氯化钠	lǜ huà nà	sodium chloride NaCl / common salt
氯	lǜ	chlorine (chemistry)
化	huā	variant of 花
化	huà	to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化学
钠	nà	sodium (chemistry)