According to Quantum Theory, energy is emitted in "chunks" or "pieces" what is it called

Not Sure about the Answer

According to Quantum Theory, energy is emitted in "chunks" or "pieces" it is called quanta.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24