Lead's symbol on the periodic table, pb, derives from the same latin word that gives us "".

Why are the trends and exceptions to the trends in ionization energy observed?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

Consider the story you just read. all but one of the choices below indicate that something is living.