A mixture is a substance made by combining two or more different materials in such a way that no chemical reaction occurs.
A mixture can usually be separated back into its original components. Some examples of mixtures are a tossed salad, salt water and a mixed bag of M&M's candy.
Hello!
The correct answer is 1. KCI.
I really hope this helped you out! c:
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
Answer:
Not to be rude but its in there. Hope this helps
Explanation:
Chemical weathering changes the molecular structure of rocks and soil. For instance, carbon dioxide from the air or soil sometimes combines with water in a process called carbonation. This produces a weak acid, called carbonic acid, that can dissolve rock.
