Give the name and symbol or formula of a Group 4A(14) el-ement or compound that fits each description or use:(a) Hardest known natural substance(b) Medicinal antacid(c) Atmospheric gas implicated in the greenhouse effect(d) Water proofing polymer based on silicon(e) Synthetic abrasive composed entirely of elements in thegroup(f) Product formed when coke burns in a limited supply of air(g) Toxic metal found in plumbing and paints

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