Assuming a half-life of 1599 years in how many years will 1/16 of a given amount of radium-226 remain?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

When balancing a chemical equation:

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point