A is glossy and ductile. A is used as a conductor of electricity. Which of the following is the best description of A?

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned