the volume of a sample of hydrogen gas was decreased from 14.66 to 7.95 L at constant temperature is the final pressure exerted by the hydrogen gas sample was 7.56 atm what pressure did the hydrogen gas exert before it's volume decreased​

43.452

step-by-step explanation:

284 times .153 = 43.452

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.