what is a heterogeneous mixture?

a. a combination of substances that has a single consistency

b. a mixture of substances that has a uniform appearance

c. a combination of substances that has multiple consistencies

d. one substance that is dissolved in another substance

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

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.