Which statement describes the formation of a nebula?   an elliptical flattened disk begins.  a bulging core with irregular stars around it forms.  a large flattened core at the center contracts.  gases from a dead star gather and contract.

That would be kinetic energy

250✖️100 to get you answer

Molybdeum(mo)orruthenium (ru)actually, elements with similar chemical properties as technetium would bemn, re, and bh. this is because elements in the same group/family (column) have similar chemical properties. elements in the same period (row) have the same number of energy levels (or shells).