What is the nuclear binding energy of an atom that has a mass defect of 5.0446  10–29 kg? use e = mc2. (remember: the speed of light is approximately 3.00 108 m/s.) 5.61  10–46 j 1.51  10–20 j 4.54  10–12 j 1.78  1045 j

Is powdered sports drink ionic or covalent ? 10pts !

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.