Which statement about the alkali metals is correct?
a. They are located in the left-most column of the periodic table
b. They are extremely nonreactive
c. They are usually gases
d. They form negative ions with a 1- charge

a. they are both space stations

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water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.