Q: What term describes the splitting of the nucleus of an atom into two smaller nuclei? Choices: - nuclean fusion - atomic reaction - critical fission - nuclear fission A:
nuclear fission

(Question)
Q: In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what? Choices: - vacuum - transparency - invisible spectrum - rainbow of colors A:
(Answer)
rainbow of colors

Ques: Q: The chemical symbol of which ion is written first in ionic compounds? Choices: - negative ion - good metal ion - last ion - positive metal ion A:
Ans: positive metal ion

(Q).
Q: A light bulb converts electrical energy to light and what? Choices: - kinetic energy - chemical energy - visible energy - thermal energy A:
(A).
thermal energy

Ques:Q: What type of electrons does carbon have? Choices: - shell - ionic - gradient - valence A:

Ans:valence

Q: What type of motor is used in most household devices with moving parts? Choices: - cooling motors - vacuum motors - thermal motors - electric motors A:
electric motors