The -COOH group lost a hydrogen ion to become -COO with a charge of 1- and the -NH2 has gained a hydrogen ion becoming NH3 positive. The attraction between these ions forms an ionic bond. Hydrogen bonds form attractions within protein molecules and also between different molecules within the hair.
Explanation:
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answered: Guest
While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.
answered: Guest
Ametal with a large number of free flowing electrons most likely has good conductivity
Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds