Effective Nuclear charge is represented by a Z * and sometimes Zeff. It's the net positive charge of an electron in a polyelectronic atom (valence electrons) the equation for it is Z*=Z-S
Z is the atomic number and S is the Shielding electrons
The reason the mass did not change because he did not add anything to the mixture accept the two liquids and its not possble to change the mass/ weight of any certain weighted item like the which is heavier the 1 pound of feathers or the 1 pound of bricks the only things is that the brick has more density so there for neither one is heavier than the other because the are both a pound
Answer: Option A. A candy bar
Option B. stretched rubber band
Option D. A roller coaster at the top of a hill
Explanation:
The answer for your question is B
An Environmental Impact Study is used to provide a sufficient level of detail to demonstrate that a proposed development will have no negative impacts on the natural features or ecological functions of the subject and surrounding (“adjacent”) lands. Hope this helps!!!
