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The columns on the periodic table are called groups. The rows are called periods.

The columns on the periodic table are called groups. The rows are called periods. What group and period are carbon and tungsten in?. Metals. Vs. Non-Metals. Metals Non-Metals good conductors poor conductors have luster lack luster high density low density

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The columns on the periodic table are called groups. The rows are called periods.

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  1. The columns on the periodic table are called groups. • The rows are called periods. • What group and period are carbon and tungsten in?

  2. Metals. Vs. Non-Metals MetalsNon-Metals good conductors poor conductors have luster lack luster high density low density high melting point low melting point malleable not malleable ductile not ductile lose e- gain e- corrode easily brittle Metalloids are elements that have chemical and physical properties of metals and non-metals. They are located on the stair-step line.

  3. Group Names • Group 1: Alkali Metals • Group 2: Alkaline Earth Metals • Group 13: Boron Group • Group 14: Carbon Group • Group 15: Pnictogens • Group 16: Chalcogens • Group 17: Halogens • Group 18: Noble Gases

  4. Alkali Metals • Found in group 1A or 1 • The most reactive metals • Explode on contact with air or water • Increase in reactivity as you go down the group • Soft enough to cut with a knife

  5. Alkaline Earth Metals • Found in group 2A or 2 • Also very reactive metals, but less so • Increase in reactivity as you go down the group • Harder than the Alkali metals

  6. Transition Metals • Found in the depressed area of the periodic table • Make up the largest portion of the periodic table • Tend to be stable

  7. Halogens • Found in group 7A or 17 • Another very reactive group of elements – the most reactive nonmetals

  8. Noble Gases • Found in group 8A or 18 • Most stable group of elements because they have a full valance shell

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