[DOC] [TLE] What are atoms with the same atomic number but different atomic ... [PAR] Atoms that have the same atomic number but different atomic masses are called 
... The identity of an element is determined by the number of protons each of its... [DOC] [TLE] Atomic number, atomic mass, and isotopes | Elements and atoms ... [PAR] Forms of the same atom that differ only in their number of neutrons are called 
isotopes. ... By definition, an atom of carbon with six neutrons, carbon-12, has an 
atomic ... are different forms of an element that have the same number of protons 
but ... The ratio of the original isotope to its decay product and to stable isotopes... [DOC] [TLE] Isotope | Define Isotope at Dictionary.com [PAR] any of two or more forms of a chemical element, having the same number of ... 
different numbers of neutrons in the nucleus, or different atomic weights. ... 
Deuterium is an isotope of hydrogen containing a proton and neutron in its ... n. 
One of two or more atoms having the same atomic number but different mass 
numbers. [DOC] [TLE] If two atoms have the same atomic number but different mass ... [PAR] Oct 19, 2015 ... Those three atoms have the same atomic mass, but different mass numbers, 
which means ... The identity of a chemical element is given by the number of 
protons its atoms have in their nuclei. .... One twelfth the mass of a carbon-12 
atom is used to define a(an)? ... What is 0.17 in fraction form, simplified? Pre. [DOC] [TLE] Atomic mass - Wikipedia [PAR] The atomic mass (ma) is the mass of an atomic particle, sub-atomic particle, or 
molecule. It is commonly expressed in unified atomic mass units (u) where by 
international agreement, 1 unified atomic mass unit is defined as 1/12 of the 
mass of a single carbon-12 ... When divided by unified atomic mass units or 
daltons to form a pure number... [DOC] [TLE] Atomic number - Wikipedia [PAR] In chemistry and physics, the atomic number of a chemical element is the number 
of protons ... Atoms with the same atomic number Z but different neutron numbers 
N, and hence different atomic masses, ... (called the relative atomic mass) in a 
defined environment on Earth, determines the element's standard atomic weight. [DOC] [TLE] Atomic Mass vs Atomic Number - What's the difference? [PAR] What is the difference between atomic mass and atomic number? The difference 
is that ... These two numbers have similarities, but are also different. They are 
used to ... Element showing its atomic number and mass number. Atomic number 
is used to define the type of element a material or substance is. It is the number of
... [DOC] [TLE] Chem4Kids.com: Atoms: Isotopes [PAR] Neutron Madness. Isotopes are atoms of elements with different numbers of 
neutrons ... If you are an atom with an extra electron, it's no big deal. Electrons 
don't ... Many atoms of the same element have different atomic masses Atomic 
masses... [DOC] [TLE] ATOMS AND ISOTOPES [PAR] The mass of the atom, its atomic mass, depends upon both the number of protons 
and ... The atoms of different isotopes are atoms of the same chemical element; 
they ... This is the most common form of hydrogen. ... hydrogen can only have one 
proton in the nucleus), but an atomic mass of two (one proton plus one neutron). [DOC] [TLE] General Chemistry Online: FAQ: Matter: What is an element? [PAR] allotrope * atomic number * atomic weight * atoms * Dalton's atomic theory ... In 
other words, all atoms of an element have the same atomic number * ... 
recognizing different chemical forms of an element (allotropes) as "elements". ... 
Of course, it's impossible to use this definition to prove that a material actually is 
an element. [DOC] [TLE] Atomic Number and Mass Number - Boundless [PAR] Determine the relationship between the mass number of an atom, its atomic ... 
are different forms of the same atom that vary only in the number of neutrons they 
possess. ... Isotopes of the same element will

Question: It's defined as a form of an element with the same atomic number but different atomic weight
Answer: Isotope