Question

3. Write the following isotope in hyphenated form (e.g., "carbon-14”): Kr

a. Krypton-109
b. Krypton -37
c. Krypton -36
d. Krypton -73​

Answer 1

D. Krypton-73

Step-by-step explanation:

An isotope of an element has the same atomic number and the same number of protons but a different number of neutrons and a different atomic weight. Krypton is the 36th element on the periodic table. It has 36 protons and 48 neutrons. Krypton-73 is one of 33 known isotopes of Krypton and is the only one that actually exists from the list of choices.

Hope that helps.

Answer 2

Krypton -73

Step-by-step explanation:

There are 33 known isotopes of krypton (36Kr) with atomic mass numbers from 69 through 101.

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