two is the nucleus since one is the nuclelous
Explanation:
it should be around -11.5. you read the scale at the upper meniscus, and the readings are as follows:
from down to up:
-15, -14, -13, -12, -11, -10.
Ca2+ means that the charge on the ion is positive be two units. As electrons have a negative charge of -1, when an atom loses electrons, the overall charge increases. In F- one electron has been gained. Iron (III) is slightly different, it refers to the magnitude of the oxidation number rather than being a +3 charge
Because they are able to take in light from all points of the plant plus it uses sugar well
