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systematic element name

Nutron answered on March 6, 2023 Popularity 2/10 Helpfulness 1/10

answer systematic element name

systematic element name

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# https://en.wikipedia.org/wiki/Systematic_element_name


roots = ["nil",  "un",  "bi",   "tri", "quad",
         "pent", "hex", "sept", "oct", "enn"]


# This function takes a positive integer and returns the systematic name
# of the element with that atomic number
def sen(n: int):
    s = str(n)
    name = ""
    for i in range(len(s)):
        if s[i] == "0":
            if s[i-1] == "9":
                name += "il"
            else:
                name += "nil"
        else:
            name += roots[int(s[i])]
    if s[-1] == "2" or s[-1] == "3":
        name += "um"
    else:
        name += "ium"
    return name


# This function takes a positive integer and returns the systematic
# symbol of the element with that atomic number
def sen_symbol(n: int):
    return "".join(map(lambda c: roots[int(c)][0], str(n))).capitalize()


sen(123)  # unbitrium
sen(282)  # bioctbium
sen(390)  # triennilium
sen_symbol(123)  # Ubt
sen_symbol(282)  # Bob
sen_symbol(390)  # Ten

Popularity 2/10 Helpfulness 1/10 Language python

Source: en.wikipedia.org

Tags: element python

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Contributed on Mar 06 2023

Nutron

0 Answers Avg Quality 2/10

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