Which ranks these materials by there attraction between their atoms from the weakest to strongest

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!