Periods, or horizontal rows, are arranged so that elements with similar properties fall into the same (2 points) states. group. block. row.

Which metal exist in liquid state and can be cut with knife ?

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

What are the two largest greenhouse gases