If you are taking finasteride to treat BPH, you should know that finasteride may control your condition, but will not cure it. It may take at least 6 months before your symptoms improve. Continue to take finasteride even if you feel well.
The outermost energy shell of an atom, containing the valence electrons involved in the chemical reactions of that atom. orbital. The three-dimensional space where an electron is found 90% of the time. outermost. How an atom behaves chemically mostly depends on the number of electrons in the atom's ____________ shell.
A physical change, such as a state change or dissolving, does not create a new substance, but a chemical change does. In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products. In a chemical reaction, only the atoms present in the reactants can end up in the products. No new atoms are created, and no atoms are destroyed.