Question

Question:

Answer 1

Which of the following best describes a fission reaction involving lithium?

Two lithium atoms form bonds with each other, absorbing a large amount of energy.
The nuclei of lithium atoms join together to form heavier isotopes, and energy is released.
An atom of lithium absorbs electrons, undergoes an increase in energy level, and splits into fragments.
The nucleus of an atom of lithium splits, resulting in smaller fragments and the release of a large amount of energy.

I said B
3.

Which of the following best describes a safety precaution needed in nuclear power plants?

Scrubbers are built on smokestacks to prevent radioactive atmospheric pollution.
Proper ventilation allows the radioactive by-products of reactions to escape, preventing explosions.
Two separate water chambers are used to prevent radioactivity from reaching the outside environment.
Employees must sign waivers that prevent them from suing the power plants in the case of accidental exposure to radioactivity.

I said C

Answer 2

@Bozhena :)

Answer 3

Fission, is when the atom break down in two smaller, and release energy, so D.

Answer 4

oh okay

Answer 5

(fusion is when it join together)

Answer 6

D

Answer 7

i see :)

Answer 8

i guess C...but im not an expert in nuclear energy ahah

Answer 9

ohh that's okay! thank you:)