Find the mass, in grams, of 1.40 x 10 molecules of nitrogen gas.​

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: