Elements in the same group have the same number of outer-shell electrons or "valence" electrons, so they tend to react similarly, as they can form similar bonds.
Hello there!
I believe "<span>b. Nutrients move from an area of lower concentration to an area of higher concentration." is correct!
Have a cool day! -Wajiha</span>
There doesn't seem to be a clear answer, it is placed in the center when it's substances is on the corners it doesn't give anything else
Answer:
True
Explanation:
A mole is defined as a certain amount of a unit. Such as atoms or molecules.
