What can you find on the periodic table? A. the chemical formula for salt
B. the number of hydrogen atoms that are in a molecule of water
C. all the compounds that exist in the universe
D. all the elements that have been discovered

Need on both questionswill markbr />

Nonmetal halogen family atmoic mass 35

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