Answer:
elements in the same column have the same number of neutrons. elements with similar mass are placed in the same column.
Answer:
Explanation:
Oil cannot dissolve in water because oil molecules repel water molecules
Given voltage and current, the power may be calculated by multiplying them.
P = V x I
Substituting the given values above,
P = (1.60 x 10^4) x (7.40 x 10^3)
The numerical value of the operation above is 118400000 watts. Thus, the answer is letter C.