Scientists are studying a pond. Which property xan the scientists measure to understand the amount of energy held by the lake water? A. The depth of the lake. B. The color of the wayer. C. The volume of the lake. D. The temperature of the water

11. Polonium.

12. Argon.

Explanation:

In Chemistry, electrons can be defined as subatomic particles that are negatively charged and as such has a magnitude of -1.

Valence electrons can be defined as the number of electrons present in the outermost shell of an atom. Valence electrons are used to determine whether an atom or group of elements found in a periodic table can bond with others. Thus, this property is typically used to determine the chemical properties of elements.