Periodic table elements

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Silicon

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Si - A metalloid element with atomic number 14, commonly used in semiconductors.

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Iron

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Fe - A metal with atomic number 26, known for its strength and used in construction and manufacturing.

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Neon

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Ne - A noble gas with atomic number 10, used in neon signs and lighting.

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Chlorine

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Cl - A halogen element with atomic number 17, commonly used in disinfectants and bleach.

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Copper

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Cu - A metal with atomic number 29, known for its electrical conductivity and used in wiring.

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Periodic Table

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A tabular arrangement of chemical elements, organized by increasing atomic number.

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Atomic Number

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The number of protons in the nucleus of an atom, which determines the element's identity.

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Metals

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Elements that are typically shiny, good conductors of heat and electricity, and malleable.

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Nonmetals

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Elements that are generally poor conductors of heat and electricity, and can be gases, liquids, or solids.

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Metalloids

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Elements that have properties of both metals and nonmetals, such as silicon and germanium.