Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Stage in which a star’s outer layers have started to cool and grow outward?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.