The positive and negative ions in two compounds switch places is *
fill in the blank:
synthesis
decomposition
combustion
single replacement
double replacement

Ineed with my science work! it’s due tomorrow!

Stage in which a typical star has completely stopped fusion

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?