The answer is A.
Hope this helped!!!
Answer:
They differ by their atomic mass and have same proton number.
Explanation:
Isotopes are atoms of the same element with the same proton or atomic number but with different atomic masses.
Take 23mols and multiply it by the atomic mass of Li:
23mol * 6.94g/mol = 159.62g
Answer:
B. the atomic weight of the element
Explanation:
since it talks about mass i think weight
The statement in option B is not correct. B is the correct answer. This is because nuclear fission usually occur in large unstable isotopes, which are bombarded with high speed particles like neutrons, which make them to split into smaller particles. The statement in option A, C and D are true about nuclear fission.