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Jebediah Dunn and Kat Chavez Period 2

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Carbon is a nonmetal, silicon and germanium are metalloids, and tin and lead are metals. As you go down the family the elements increase in metallicity. The atomic radius also increases as you go down the group and ionization energy decreases.

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State: Solid
Color: Black if graphite, transparent if diamond
Density: 2.26 g/cm³
Conductivity: If carbon is in the form of graphite it is a good conductor of electricity. Carbon can not be good as a conductor of energy if it is forming covalent bonds.
Electron Configuration:  [He] 2s2 2p2
Valence Electrons: 4
Non-metal
Carbon is the most important element to life. Without Carbon life itself would not exist. It is considered an element.

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State: Solid
Color: Silver
Density:
2.33 g.cm -3
Conductivity: Silicon is a semiconductor so it can conduct electricity and become an insulator based on it's varying properties.
Electron Configuration:    Ne 3s2 3p2
Valence Electrons: 4
Metalloid
Silicon is found in the earth's crust and is the second most abundant element after oxygen. It is used to make computers, microelectronics, computer chips, and is the most common element in sand. It is considered a compound because it is never found as a free element, it is always linked with another.

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State: Solid
Color: Gray-white
Density: 5.323 g/cm³
Conductivity: Germanium is not a good conductor of electricity very well but it is a semiconductor.
Electron Configuration:                   Ar 3d10 4s2 4p2
Valence Electrons: 4
Metalloid
Germanium is not found free in nature but it can be found in coal. It is mostly used as a semiconductor. When linked with other particles it is used to make transistors that will be used in electronic devices. Germanium is considered a compound.

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State: Solid
Color: Silvery-white
Density: 7.287 grams per cubic centimeter
Conductivity: 15%
Electron Configuration:   [Kr] 4d¹⁰5s²5p²
Valence Electrons: 4
Metal
Tin is used for coating other metals to prevent corrosion.  A niobium-tin alloy is used for superconducting magnets.

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State: Solid
Color: Blueish-white color
Density:   11.342 grams per cubic centimeter
Conductivity: 7%
Electron Configuration:  [Xe] 4f¹⁴5d¹⁰6s²6p²
Valence Electrons: 4
Metal
Lead is used for car batteries, ammunition, weights to lift, weigh belts, radiation etc.

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State: Solid
Color: Presumed Grey or silver
Density:  14 g/cm³
Conductivity: N/A
Electron Configuration:
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p^2
Valence Electrons: 4
Metal
It is only used in scientific study and only a few have been made

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https://www.metalsupermarkets.com/which-metals-conduct-electricity/
https://www.ck12.org/c/physical-science/groups-with-metalloids/lesson/Groups-with-Metalloids-MS-PS/
http://www.rsc.org/periodic-table/element/82/lead
http://www.rsc.org/periodic-table/element/114/flerovium
https://www.livescience.com/41420-facts-about-flerovium.html

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http://www.elementalmatter.info/carbon-properties.htm
https://www.popsci.com/adam-weiner/article/2008-09/when-carbon-electrical-conductor/
https://www.chemicool.com/elements/silicon.html
https://www.lenntech.com/periodic/elements/si.htm
https://www.chemicool.com/elements/germanium.html
http://www.rsc.org/periodic-table/element/32/germanium
https://www.thoughtco.com/carbon-family-of-elements-606641
https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Modules_(Inorganic_Chemistry)/Descriptive_Chemistry/Elements_Organized_by_Block/2_p-Block_Elements/Group_14%3A_The_Carbon_Family/1Group_14%3A_General_Properties_and_Reactions