What element is mostly used in magnets, gold or cobalt?

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-