During the first moments of the big bang when elements could be created, nuclear fusion reactions made few heavy elements because
a. all heavy nuclei are unstable.
b. no stable nuclei exist with masses of 5 or 8 hydrogen masses.
c. the helium nucleus is unstable.
d. the temperature and density were too low.
e. no nuclei heavier than helium could form since there weren't any electrons formed.
Question 2
Synchrotron radiation occurs when high-speed electrons move through a magnetic field.
a. True
b. False
Indicate whether the statement is true or false
Nuclear division at the DNA level
Nuclear pores
Photochemical smog is produced by a complex series of reactions
Atoms and Elements
The nuclear envelope is studded with pores, which allow exchange of materials
Light-independent reactions in C3 plants.