This atomic number is ordinarily given the symbol Z.
Yet the fighting in Europe ended before either side had a working atomic bomb.
The relative atomic mass of carbon is 12, while the relative atomic mass of magnesium is 24.
Moseley’s X-ray spectra demonstrated that an element’s atomic number does not depend directly on its atomic weight.
Atomic mass, the quantity of matter contained in an atom of an element.
However, Germany likely never developed an atomic bomb because its atomic research was on a smaller scale than the U.S.
The pluralist account is quite plausible when we consider atomic mass expressions, or mass expressions with atomic denotata (def.
This theory proved highly fruitful for later investigations of atomic weights, atomic theory, and the classification of the elements.
To illustrate the principle, suppose we say that gold is identical to the element with atomic number 79, that all gold has atomic number 79.
By the time the negative aspects of nonpeaceful uses of atomic power were realized, the government and the military controlled atomic energy.
The atomic number of tellurium is 52 and the atomic number of iodine is 53, so these elements are in the correct order in the modern periodic table.
., an atomic proposition) and an atomic fact; i.e., for each atomic fact, there is a corresponding atomic proposition.
For our purposes, it is safe to treat atomic and sub-atomic objects as particles involved in collisions where the total number of particles may or may not be conserved.
The atomic weight of elements is a relative figure, with one atom of the carbon-12 isotope being assigned the atomic weight of 12; the atomic weight of…
The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.
Logical Atomism supposes that a perfect one-to-one correspondence exists between an “atom” of language (an atomic proposition) and an atomic fact; thus, for each atomic fact there is a corresponding atomic proposition.
The variation in atomic weight for fixed atomic number was explained in 1932 when James Chadwick (1891–1974) discovered the neutron—a neutral particle occurring alongside the proton in atomic nuclei with approximately the same mass as the proton.
Rather than using atomic weights, they ordered elements according to atomic number, the number of protons and of electrons of neutral elemental atoms, allowing for the occurrence of isotopes with the same atomic number but different atomic weights.
The lack of any logical relations between atomic propositions goes hand in hand with a similar view about atomic facts; each atomic fact is metaphysically independent of every other, and any one could obtain or fail to obtain regardless of the obtaining (or not) of any other.
Atomic weights are given in atomic mass units; in the case of water, for example, a single water molecule, made up of one oxygen atom (16 atomic mass units) and two hydrogen atoms (1 atomic mass unit each), has a molecular weight of 18 atomic mass units.
atomic
adj pert
- of or relating to or comprising atoms
Example: atomic structure
adj all
- immeasurably small
adj all
- (weapons) deriving destructive energy from the release of atomic energy
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