Electronegativity decreases as you go down a group and increases as you go from left to right. Explain why. Use the words “group, period, protons, valence electrons, energy levels, atomic radius, electronegativity, and shielding” to support your answer.

Which best describes how johannes kepler developed his laws of planetary motion

What natural processes produce large quantities of co2

When can a hypothesis be elevated to the status of a theory? a) when it is validated by an experiment b) when data gathered from an experiment precisely fits predictions c) when it can be proved to be true d) when it meets the test of repeated experimentation