McDowell,+Adrienne



[|Platinum – Pt] Atomic number – 78 Atomic mass – 195.084 g

Number of protons – 78 Number of neutrons – 117 Number of electrons – 78

Number of valence electrons – 1

Cost or value – $2,252 to $774 per oz

Melting platinum

Boiling point – 6917 °F

Melting point – 3214.9 °F

Specific Gravity/Density – 21.46 grams per cubic centimeter

Electron Configuration – 6s14f145d9

[|Orbital notation -] 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d9 6s1

Chemical and physical properties – Silvery-white, Soft, dense, ductile metal

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">Industrial or commercial uses – jewelry, wire, electrical currents, laboratory vessels, and widely used as a catalyst for chemical reactions



<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">Unusual facts –

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">Platinum is the rarest precious metal

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">More than 90% of platinum comes from South Africa and Russia

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">The finest jewelry contains platinum

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">How, when, and who [|discovered] – discovered by South Africans, later discovered again by Julius C Scaliger in 1557 found in between Panama and Mexico.

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">Where and how produced, processed, or mined – product of nickel mining

Mining processes



<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 19px; text-align: center;">Picture of Platinum Oxide

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">Minerals, compounds, or ores in which found – PtO ,[| PtS2]

<span style="display: block; font-family: 'berlin sans fb demi','sans-serif'; font-size: 27px; text-align: center;">Two common chemical reactions – Platinum metal and Fluorine

<span style="font-family: 'Berlin Sans FB Demi','sans-serif'; font-size: 27px;">Diagram of Bohr Model –



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