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The alkali metal with an atomic radius of 238 pm is potassium (K). Its large atomic radius is due to the added electron shells compared to other alkali metals in the same period.

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What metal had the atomic radius of 238 pm?

Samarium has a calculated atomic radius of 238 pm.


Atomic weight 238?

Unit


What do the '238' in uranium-238 and the '14' in carbon-14 mean?

The numbers in uranium-238 and carbon-14 refer to the atomic mass of the isotopes. The number '238' indicates that uranium-238 has a total of 238 protons and neutrons in its nucleus, while the number '14' indicates that carbon-14 has a total of 14 protons and neutrons.


What family is uranium-238 in?

Uranium-238 is a member of the actinide family of elements. It is a heavy, radioactive metal that is part of the actinide series, which includes elements with atomic numbers from 89 (actinium) to 103 (lawrencium).


What is the mass number of urnanium?

Uranium is a non metal element. Atomic mass of it is 238.


What element has the atomic number 238?

There is NO element with the Atomic No. of 238. Atomic No. only go to ~ 110. However, There is an element with ATOMIC MASS of 238, it is an isotope of Uranium NB . Atomic Number refers to #1 the position in the periodic table #2 the number of protons in the element #3 the number of electrons in the neutrally charged element. Atmoic Mass refers to the Sum total of all the protons and neutrons in the nucleus of an element. An element such as Uranium would be shown in the periodic table as [238/92]U. The two numbers indicating the Atomic Mass and the Atomic Number.


The word for the element with the atomic weight of 238?

Uranium


Atomic weight is 238?

The answer is Uranium 92 (238.0289)


Whats is atomic weight of uranium-238?

238.02891


How many electrons are in isotope U-238?

Isotope U-238 has 92 electrons. This number corresponds to the atomic number of uranium, which is 92.


Write the full atomic symbols for uranium 235 and 238?

The full atomic symbols for uranium are: Uranium-235: ^235U Uranium-238: ^238U


The atomic number of uranium is 92 and its atomic mass is 238.how many neutrons does the most common isotope of uranium have.?

The most common isotope of uranium is uranium-238 with 146 neutrons.