Question

Fill in the blanks.

The logic behind the design of the bombs was to keep several pieces of _________ material, ________  their critical mass, separated from each other in the bomb. Then all the pieces would be forced together using an ordinary explosive, combining them into _______ above the critical mass, thus triggering a runaway nuclear chain reaction and an _________.

Word Bank:

Fusionable

Below

Multiple Pieces

Explosion

Fissionable

A single piece

Above

Implosion

Answer 1