If the density of a certain spherical atomic nucleus is 1.0x10^14 g cm^-3 and its mass is 2.0x10^-23 g, what is it radius in cm?

What can you predict about the properties of xenon and helium, both in group 18 in the periodic table? why?

For the mineral torbernite, Cu (UO2) 2 (PO4) 2⋅8H2O, determine the ratio, by number, of H atoms to O atoms

A homogeneous mixture or solution consists of

Which TWO are most likely to form a compound? C Mg S Ar

What is the role of the aluminum foil removing the tarnish and exposing pure silver

Calculate the pH of a solution of 0.25M H2SO4

His transmitter is mostly located in diffuse neuronal systems in the CNS, with cell bodies particularly in the raphe nuclei.

Mechanism with a small activation energy or one with large activation energy

Ammonium phosphate nh43po4 is an important ingredient in many fertilizers. it can be made by reacting phosphoric acid h3po4 with ammonia nh3. what mass of phosphoric acid is consumed by the reaction of 8.4g of ammonia?

True or false the first species to colonize newly exposed land are called primary species?