Question

03 If the set has p elements
B has a element then nomber
of e le menta in Ax B in
1 pq
2 p+q
3 P+q+1​

Answer 1

Answer:

The reason why we only see ~118 elements is because we only see the ones stable enough to observe. Anything common in nature would need to have a half-life comparable to the age of the earth (or be produced as a decay product of something else that does).