2h is a loosely bound isotope of hydrogen, called deuterium or heavy hydrogen. it is stable but relatively rare — it form only 0.015% of natural hydrogen. note that deuterium has z = n, which should tend to make it more tightly bound, but both are odd numbers.

A48 g piece of ice at 0.0 ∘c is added to a sample of water at 7.4 ∘c. all of the ice melts and the temperature of the water decreases to 0.0 ∘c. how many grams of water were in the sample?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20