No one is 100% sure when particles of matter originated however scientist believe it had to be some time before the Big Bang
Answer:
You can find in the given attachemnet
Yes this is true otherwise it would not be a solution
Answer:
=3 means is 3 or greater so that would be f and g subshells
=0 means is 0 or greater so that would be s, p, d, f and g subshells
=1 means is 1 or greater so that would be p, d, f, and g subshells
=4 means is 4 or greater so that would be g only