The metal lithium has a diagonal relationship with the metal magnesium. true or false.

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

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Name the element in group 17, period 2. (periodic table)