Technetium-99 is an ideal radioisotope for scanning organs, because it has a half-life of 6.0 hours. Suppose that 80.0 g of technetium-99 is prepared in the morning, how much will remain after 24.0 hours?

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

What extra step distinguishes fermentation from glycolysis