Platinum Quiz: questions and answers
Right answers
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1. What is the atomic number of Platinum?
78
2. Who discovered Platinum in 1735?
Antonio de Ulloa
3. What is the element category of Platinum?
Transition metal
4. How many naturally occurring isotopes does Platinum have?
6
5. Where does 80% of the world's Platinum come from?
South Africa
6. Platinum is soluble in:
Hot aqua regia
7. Which alloy of Platinum is used to make permanent magnets?
Platinum-cobalt
8. What is the melting point of Platinum?
1768.3 °C
9. Platinum has a crystalline form of:
fcc
10. What is the color of natural Platinum?
Silvery-White