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Isotopes

Q. Gallium has two naturally occurring isotopes: Ga-69 (60.108%) and Ga-71. The ratio of the masses of the two isotopes is 1.0290. What is the mass of Ga-69

Solved • Sep 8, 2019

Isotopes

Q. Which of the following represents a pair of isotopes?

Solved • Sep 5, 2019

Isotopes

Q. Sort the characteristic properties of the following isotopes of nitrogen into their respective bins. Drag the appropriate items to their respective bins.

Solved • Sep 5, 2019

Isotopes

Q. The astronaut then measures the abundance of strontium on the new planet, obtaining the following results: What is the atomic mass of strontium for this planet? Express your answer to two decimal places, and include the appropriate units.

Solved • Sep 5, 2019

Isotopes

Q. On a mission to a newly discovered planet, an astronaut finds chlorine abundances of 13.85% for 35Cl and 86.15% for 37Cl. What is the atomic mass of chlorine for this location? The mass of 35Cl is 34.9700 amu. The mass of 37Cl is 36.9700 amu. Express your answer to two decimal places, and include the appropriate units.

Solved • Sep 5, 2019

Isotopes

Q. 8. Boron exists as 2 stable isotopes in nature. Isotopic mass (in amu) and percent abundance data are given below. x amu 19.9% 11.009305 amu 80.1% Determine the unknown isotopic mass (in amu).

Solved • Sep 3, 2019

Isotopes

Q. The atomic weight of Rubidium is 85.4678amu. The 2 naturally occuring isotopes of Rubidium have the following masses: 85Rb, 84.9118amu; 87Rb, 86.9092amu. Calculate the percent of 85Rb in naturally occuring Rubidium.

Solved • Aug 13, 2019