Answer:
superstition
Explanation:
Because there is no scientific reason behind it and no connection of it to science.
I believe the answer is density
Answer:
In general, atomic radius decreases across a period and increases down a group. ... Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital. This results in a larger atomic radius.
It's A, t<span>The figure is a molecule and an element.</span>
