The modern-day quantum model of the atom is better than john dalton’s model because it

Why do cells appear different in distilled water than they do in 10% salt water?

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.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)