element - Pure substances made of only one type of atom., atom - The basic unit of matter made up of protons, neutrons, and electrons., properties - Characteristics of elements that help to identify what they are., period - Repeating rows of the periodic table that demonstrate patterns of how elements are arranged., group - Elements arranged in vertical columns of the periodic table that share the same properties., atomic symbol - An abbreviation for the name of an element on the periodic table., atomic number - The number of protons in the nucleus of each element., atomic mass - The average mass of the nucleus of that element., metals - Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.,

Generation Genius Properties of Elements

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