What does the Elements Zr and Ir and Hg make? need help for science grade

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

I’m an electrically neutral atomic any element, there are equal numbers of