as you move down a group you will recall that the radius increases. why do you think an increase in atimic radius would result in greater ionization energy

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.

Me soon im confused much mass would a mole of hydrogen molecules contain? recall that hydrogen is diatomic. g/mol

The decimals you found in part b are called repeating decimals. in the gizmo, repeating decimals are rounded to two places. how does the gizmo show you that a decimal has been rounded?