If H and Cl are bonded, which atom has a stronger pull on the electrons? How do you know?

The excretory system,need answers for all: )

What was bohr’s contribution to the planetary model

Scientists often have to 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 number in an alternate form.