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basic building blocks of all substances and cannot be broken down into simpler substances by chemical means. |
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basic building blocks of all substances and cannot be broken down into simpler substances by chemical means. |
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consist of a central nucleus containing protons and neutrons surrounded by 'orbiting' electrons |
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consist of a central nucleus containing protons and neutrons surrounded by 'orbiting' electrons |
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electronic structure of Hydrogen |
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electronic structure of Helium |
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electronic structure of Lithium atomic number 3 |
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electronic structure of Beryllium atomic number 4 |
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electronic structure of Boron atomic number 5 |
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electronic structure of Carbon atomic number 6 |
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electronic structure of Nitrogen atomic number 7 |
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electronic structure of Oxygen atomic number 8 |
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electronic structure of Fluorine atomic number 9 |
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electronic structure of Neon atomic number 10 |
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electronic structure of Sodium atomic number 11 |
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electronic structure of Magnesium atomic number 12 |
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electronic structure of Aluminium atomic number 13 |
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electronic structure of Silican atomic number 14 |
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electronic structure of Phosphorous atomic number 15 |
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electronic structure of Sulphur atomic number 16 |
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electronic structure of Chlorine atomic number 17 |
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electronic structure of Argon atomic number 18 |
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electronic structure of Potassium atomic number 19 |
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electronic structure of Calcium atomic number 20 |
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Which element is in group 1 period 2? |
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Which element is in group 5 period 2? |
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Which element is in group 5 period 3 ? |
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