{ "item_title" : "Tom the Atom, Book 16", "item_author" : [" Mum "], "item_description" : "You, Mary, and Henry go to visit Tom-the-Atom World to meet Silicon and learn about Semiconductors. This time they visit the town where atoms live. They stop at the beautiful and wealthy neighborhood of the Semi-Metals. The community is small. Tom-the-Atom calls out to Silicon. He is in the Periodic Table in Column 14 or Group 4A. I.e.., he has 4 valence electrons in his outermost shell/subshells. He is the 3rd row, just below that Tom-the-Atom, Carbon. Silicon is in the 3rd row (or Period), meaning he has 3 shells. Silicon is dressed very wealthily and shows us his outside market. Easy to figure it out how versatile and essential it is for human.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/855/731/9798557313520_b.jpg", "price_data" : { "retail_price" : "14.41", "online_price" : "14.41", "our_price" : "14.41", "club_price" : "14.41", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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