20. Although the fusion of hydrogen to produce helium is common fusion reaction occurring in the sun, several other fusion reactions occur. In one of these, two helium-4 nuclei fuse to form one unstable nucleus.​

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

There are main groups in the modern periodic table of elements

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c