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Answer» Answer: 1st line Protons - 8 Electrons - 8 Neutrons - 8
2ND line Eliment - ALUMINUM (Al) MASS no. - 26.98154 Protons - 13 Electrons - 13 Neutrons - 14 3rd line Atomic no. - 20 Neutrons - 20 Electrons - 20 |
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