10. I. Identify the following as physical or chemical properties. (3 points, 0.5 point each) a. Mercury is a liquid metal.
b. Some nonmetals are gaseous.
c. Salt is the product of a reaction between acid and base.
d. Density of water is 1.0 g/mL.
e. Members of noble gas family are inert.
f. CO2 is combined with water to form glucose in photosynthesis.

Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)

Express the following number in scientific notation. 0.026890 =

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)