Mike's house is 100 km to the east of Tom's house. At 8:00am, Mike and Tom start biking from their respective houses. Mike bikes west at 3 km/h and Tom bikes south at 10 km/h. If they continue their respective courses, how long after they start will they be closest to each other and that is the...
Mike's house is 100 km away from Tom's house. At 8:00am, Mike and Tom start biking from their respective houses. Mike bikes west at 3 km/h and Tom bikes south at 10 km/h. If they continue their respective courses, how long after they start will they be closest to each other and that is the...
Suppose a chemist discovers a new metallic element and names it "Xtrinsium" (Xt).
Xt exhibits chemical behaviour similar to an alkaline earth.
Xt(s) + Cl2(g) --> XtCl2(s)
Lattice energy for XtCl2-1960 kJ/mol
First Ionization energy of Xt 480 kJ/mol
Second Ionization energy of Xt 816 kJ/mol...