Answer:
1 It gives the cell its structure
2 It regulates the materials that enter and leaves the cell
6.337 X 10^-7. To get this, divide the atoms by Avogadro's number, them multiply my the molar mass of Ni.
In the electron cloud model, the atoms are in unpredicted places. But in the Bohr model, atoms are in "rows"
The day's length is not a settled unit of time.
The earth itself is jiggling around space, going on an amazingly slight bended way and the unrest is dialing down record of tidal movement and the moon moving possibly away.
The day's length changes amid the time and in addition about predictably or something to that effect, and extra hop second is added to the timetable.
The second is portrayed using different unrests of the cesium 133 particle at 0 Kelvin in light of the fact that isolated from quantum mechanics, it isn't at risk to coincidental segments.
Answer:
D. The electron moved up to an energy level and has an energy of 21.72 x 10−19 J.
