A. describe where to look on the periodic table to find elements which have similar reactivity and other properties.
b. explain why they have similar properties
c. name three elements that have those similarities.

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

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