During the formation of the sun, gravity pulled matter closer and closer together until what event occurred?

A. Radioactive decay began.

B. Nuclear fusion reactions began.

C. Neutrons and protons formed.

D. A nebula exploded.

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation