Aluminum is a metal in group IIIA of the periodic table with atomic number 13, an atomic weight of 26.982, and a density of 2.70. It has a melting temperature of 660 C. The electronic configuration of ...
Silicon is a semiconductor in group IVA of the periodic table with atomic number 14, an atomic weight of 28.086, and a density of 2.33 Mg/m 3. It melts at 1410 C. The electronic configuration of the ...
What issues are most important to U.S. voters? Who do you think swing voters are most likely to vote for? By The Learning Network Elaborate lawn decorations. Bags of candy. Creative costumes ...
A new three-minute time limit on goodbye hugs in a New Zealand airport's drop-off area is intended to prevent lingering cuddles from causing traffic jams.