Fertilizer The compound calcium cyanamide (CaNCN) is used as a nitrogen source for crops. To obtain this compound, calcium carbide is reacted with nitrogen at high temperatures. Ca C 2 (s) + N 2 (g) CaNCN(s) + C(s) What mass of CaNCN can be produced if 7.50 mol of Ca C 2 reacts with 5.00 mol of N 2 ?
Chapter 2, January 24 , 2017 Notes Atomic Structures Atomic mass on the periodic table is the weighted sum of the masses of all naturally occurring isotopes Atomic mass of Cl = 34.96885g (0.7578) +36.96590g(0.242) = 35.453g The Periodic Table 118 known elements: o 198 occur naturally o Most are solid and metallic o Element #84 and above are radioactive, and many are manmade Layout of the Periodic Table (PT) o Elements are listed by: Atomic Number (z), Symbol, Atomic Weight o Arranged in columns and rows Columns = up/down sections, each is labeled with a Group # (18), and a letter (A for Main Group and B for Transition Elements