The diagram below represents four positions of earth as it revolves around the sun

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Identify two types of chemical bonding in the source of dietary potassium

Which element is the least metallic between cadmium, silver, zinc, or iron?