Created by StemPy LabIUPAC systematic names are built from numerical roots: nil = 0, un = 1, bi = 2, tri = 3, quad = 4, pent = 5, hex = 6, followed by the ending -ium. Consider three elements: ununbium, ununhexium and unbinilium. For each one, find its group number (1 to 18) and its period number in the long form periodic table from its predicted ground state configuration. What is the sum of over the three elements? The answer is an integer, so no rounding is needed.
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← Moseley found that, for a given X-ray line, √(ν) = a(Z - b), where a and b are constants for that line. The same line is measured for three elements. Element A (Z = 11) gives ν = 2.50 × 10¹⁷ Hz. Element B (Z = 41) gives ν = 4.00 × 10¹⁸ Hz. An unknown element X gives ν = 1.00 × 10¹⁸ Hz. What is the atomic number of X?An element X has atomic number between 37 and 54. In its gaseous ground state, the X atom has no electron with principal quantum number n = 5, and it has no unpaired electrons. The gaseous ion X²⁺ has 8 electrons in its 4d subshell. Which option correctly gives the period, group and block of X in the long form periodic table? →
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