How many grams of sodium are needed to produce 12.5g of sodium oxide

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

The pressure in a fluid is affected by which characteristics of that fluid

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: