Chemistry (1310 TXST MJ Patterson) Final Exam with 100% correct answers 2024

Science (definition) correct answers The way we learn about the world around us Chemistry (definition) correct answers The science of matter and energy Applied research correct answers research directed toward solving a problem Basic research correct answers pursuit of knowledge just because Correlation correct answers an apparent connection between two things Causation correct answers one thing that causing another Alkali Metals correct answers Group 1, 1 electron in outer level, very reactive, soft, silver, shiny, low density; Lithium, Sodium, Potassium, Rubidium, Cesium, Francium Alkali Earth Metals correct answers an elemnet in group 2, harder, higher melting point, and denser than alkali metals. Reactive, but less than corresponding alkali metal Transition Metals correct answers Groups 3-12, 1-2 electrons in the outer energy level, less reactive than alsali-earth metals, shiny, good conductor of thermal energy and electrical current, high density. Most common are Sc, Ti, V, Cr, Mn, Fe, Co, Ni and Cu Metalloids correct answers Elements that have properties of both metals and nonmetals. Chalcogens correct answers group 16, oxygen is colorless odorless gas, the rest are solids, sulfur exists in several allotropic forms, 6 electrons in outer energy level Halogens correct answers Contains nonmetals, 7 valence electrons in it's outermost energy level. Very reactive. Nobel Gasses correct answers The least reactive family of elements in the periodic table, don't react or form bonds with other elements. Valance Electrons are full which is why they don't react. Rare Earth Metals correct answers 2 very bottom rows removed from table; lanthanide and actinide Democritus (460-370 B.C.) correct answers Said atoms were "Atomos",