Select the correct combination of mathematical signs to sequentially fill in the diamond-shapes and to balance the given equation.
\(42 \, \diamond \, 7 \, \diamond \, 5 \, \diamond \, 5 \, \diamond \, 40 \, \diamond \, 5\)
Which of the given figures when placed in the 5th position would continue the series that is established by the first four figures?
What is the name of a metallic radioactive transuranic element with atomic number 101 in the actinide series, discovered in 1955?