Plan a controlled experiment to investigate how much the temperatures of a large mass and a small mass of cold water change when hot water is added. Assume you have access to water, containers, ice, a heat source, a scale, and
thermometers. Summarize your experiment in a few sentences.

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Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.