Silicon is element 14 in the Periodic Table. It has many applications. What do you know about silicon?
Average, 10 Qns, JanIQ,
Nov 15 26
Category:
Specific Elements
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Ice near the Sun? Blue sunsets on Mars? Our Solar System has some surprises. Look at ten scenes and choose the explanation that best fits each one.
Who knew your home was packed with chemistry? From the kitchen to the bathroom, positive and negative ions combine to create ionic compounds. Can you recognize these ten common household substances from their disguised chemical formulas? |
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The chamber in which the US House of Representatives sits has 23 relief portraits of famous lawmakers on its walls. Can you place names to these 12 faces? |
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