Which of the following elements does NOT need to be diatomic to exist in nature? A. Hydrogen
B. Oxygen
C. Carbon
D. Nitrogen

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

What is the molar mass of ca(cio4)2