Thallium has got 81 protons
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Answer:
Theoretical yield is 20%.
Explanation:
Percent yield = [(actual yield)/(theoretical yield)]
%
Theoretical yield is calculated amount of product by using stoichiometric ratio between reactant and product.
Actual yield is the amount of product which is experimentally obtained.
Here theoretical yield is 20.0 g and actual yield is 4.0 g.
So, percent yield = 
% = 20%
Answer:
they're losing electrolytes
Explanation:
When athletes sweat, they're losing electrolytes primarily in the form of sodium (Na+) and chloride (Cl-), so when you start to replace lost fluids, ahtletes should replace the electrolytes as well. Potassium (K+), Magnesium (Mg2+) and Calcium (Ca2+) are electrolytes also lost through sweating.
D. a warm front causes rain showers to occur over a particular area for several days
Ionic bond is characterized by the complete transfer of valence electrons between atoms. In this kind of bond, a metal loses its electron in order to become a cation while the nonmetal accept the electron resulting to an anion.
