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<3 Science

Periodic Table

Vocab wordDefinition
Periodic describes something that occurs or repeats at regular intervals
periodic law the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
period in chemistry, a horizontal row of elements in the periodic table
group a vertical colu of elements in the periodic table
alkali metals one of the elements of Group 1 of the periodic table (lithium, sodium, potasaium, rubidium, cesium, and francium )
alkaline-earth metal one of the elements of Group 2 of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium)
halogen one of the elements of Group 17 of the periodic table (fluorine, chlorine, bromine, iodine, and astatine
noble gas one of the elements of group 18 of the periodic table (helium, neon, argon, kypton,xenon, and radon)
Created by: 228049
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