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Created by StemPy LabRubidium, strontium, indium and tin, in order of Z. What does this print? import pandas as pd; s = pd.Series([403, 549, 558, 709]); print(list(s.diff().dropna().astype(int)))
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← Strontium, barium and iodine are grouped by block. What does this print? `import pandas as pd; df = pd.DataFrame({"block": ["s", "s", "p"], "ie": [549, 503, 1008]}); print(df.groupby("block")["ie"].mean()["s"])`Across the first 36 elements, what is the sign of the correlation between atomic radius and first ionisation enthalpy? →
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