If a 125 gms of radioactive element has a half life of 60 min how many half lives will it go through to become 3.90625 gms

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons