Metals, Nonmetals, & Metalloids - Weebly

Metals, Nonmetals, & Metalloids

Question:

Which of the following would be the best conductor - iodine, silver, silicon, or sulfur?

Metals, Nonmetals, & Metalloids

metals - good conductors of heat and electricity, all except mercury (Hg) are solid at room temperature.

Metals are located to the left of the stair-step on the periodic table.

alkali metals - (Group 1) are the most reactive of all metals; they do not occur in nature in their elemental form.

alkaline earth metals - (Group 2) shiny, ductile, and malleable; they combine readily with other elements.

transition metals - (Groups 3-12) most familiar metals because they often occur in nature uncombined.

inner transition metals - (listed below the table) Lanthanide series - elements with atomic # 58-71 Actinide series - elements with atomic # 90-103

nonmetals - elements that are usually gases or brittle solids at room temperature; most can form ionic and covalent compounds.

located to the right of the stair-step

noble gases - (Group 18) exist as isolated atoms. They are all stable because their outer energy level is filled.

metalloids - elements that make up the stair-step; have metallic and nonmetallic properties

are part of the mixed groups - which contain metals, nonmetals, and metalloids mixed groups are groups 13-17

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