When looking across the periodic table from left to right, which of these groups are the first to contain nonmetals? group 2
group 7
group 14
group 18

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