[DOC] [TLE] atom: Atomic Weight and Number - Infoplease [PAR] The atomic number of an atom is simply the number of protons in its nucleus. ... 
the isotopes of uranium with atomic weights 235 and 238 are indicated by 23592
... [DOC] [TLE] periodic table - How come uranium's relative atomic mass is 238.03 ... [PAR] May 28, 2015 ... How then can uranium's relative atomic mass exceed 238? ... of uranium with 
greater masses than 238 - though their contribution would be tiny. [DOC] [TLE] What is atomic mass unit (AMU or amu)? - Definition from WhatIs.com [PAR] An atomic mass unit (symbolized AMU or amu) is defined as precisely 1/12 the ... 
The carbon-12 (C-12) atom has six protons and six neutrons in its nucleus. ... an 
AMU of approximately 235, while uranium-238 (U-238) is slightly more massive. [DOC] [TLE] Atomic weight | Define Atomic weight at Dictionary.com [PAR] Atomic weight definition, the average weight of an atom of an element, formerly ... 
Thus from uranium with an atomic weight of 238 to radium there is a loss of three 
... Its atomic weight has been determined by several careful investigators and is... [DOC] [TLE] What atomic weight equals 238? - Quora [PAR] Erm. It could be one of many different isobars. See the interactive chart of the 
nuclides: ... What's the number of oxygen atoms in ozone having a weight equal 
to its vapour density? What is the atomic weight of carbon? What is the difference
... [DOC] [TLE] Atomic number, atomic mass, and isotopes | Elements and atoms ... [PAR] A property closely related to an atom's mass number is its atomic mass. The 
atomic mass of a single atom is simply its total mass and is typically expressed in
... [DOC] [TLE] Chemical Elements.com - Uranium (U) [PAR] Atomic Mass: 238.0289 amu ... U-238, 4.47E9 years ... Note: The external links 
below are not a part of this site and their content is not the responsibility of this... [DOC] [TLE] Atomic Weight of Uranium | Commission on Isotopic Abundances ... [PAR] The atomic weight and uncertainty of uranium were changed to 238.028 91(3) in 
1999 on the basis of ... Isotopes 235U and 238U are primordial with the 235U 
abundance declining very gradually in geological time because of its faster 
decay. [DOC] [TLE] Mass number - Wikipedia [PAR] The mass number (A), also called atomic mass number or nucleon number, is the 
total number ... 6C . This is technically redundant, as each element is defined by 
its atomic number, so it is often omitted. ... so that the mass number decreases by 
4 (A = 238234); the result is an atom of thorium-234 and an alpha particle (4 [DOC] [TLE] Uranium-238 - Wikipedia [PAR] Uranium-238 is the most common isotope of uranium found in nature. It is not 
fissile, but is a ... 238U is also used as a radiation shield  its alpha radiation is 
easily stopped by the non-radioactive casing of the shielding and the uranium's 
high atomic weight and high number of electrons are highly effective in absorbing
... [DOC] [TLE] It's Elemental - The Element Uranium [PAR] It's Elemental. Protactinium ... Atomic Weight: 238.02891. Melting Point: 1408 K ... 
To produce plutonium-239, atoms of uranium-238 are exposed to neutrons. [DOC] [TLE] Molar mass of U238 - Chemistry Online Education [PAR] Enter a chemical formula to calculate its molar mass and elemental ... Formula in 
Hill system is U238 ... Symbol, Element, Atomic weight, Atoms, Mass percent. [DOC] [TLE] Gray: Isotopes - Chemistry LibreTexts [PAR] Jul 18, 2014 ... Therefore, it has 92 protons, 92 electrons, and 238  92 : 146 neutrons. Its ... The 
total mass of an atom is called its atomic weight, and is the... [DOC] [TLE] The Atom - Chemistry LibreTexts [PAR] Jul 15, 2015 ... Most of an atom's mass is in its nucleus; the mass of an electron is only .... 
Therefore, it has 92 protons, 92 electrons, 146 neutrons (238 amu... [DOC] [TLE] The atomic number of Uranium is 92 and its atomic mass is 238 ... [PAR] Dec 31

Question: Its atomic weight is 238
Answer: uranium