What does the number without decimals have in common with the structure of the atom?

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

Which of the following is described by the equation h2o(s)+ heat=h2o(i) a freezing melting condensing evaporating

Which element forms a compound with chlorine with the general formula mci?