In nature, X contains two isotopes with mass numbers 79 and 81. Calculate the percentage abundance of the isotopes ⁷⁹X and ⁸¹X.

thruhdyjgrt   ·   08.08.2022 22:10
ANSWER(S): 2 Show answers 0 Сomment
ANSWER(S)
answered: leshia39
13.07.2019 17:50
Ibelieve its because the stove is a cleaner burning fuel
answered: loganharper992
10.07.2019 20:30

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;

answered: ahoney2233
04.07.2019 14:30

i don't know people like to fight everywhere rip.

answered: naenae6775
01.07.2019 09:10
Icant see the pictures 

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