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Nuclide Symbols & Isotopes . Subatomic Particles. ATOM. NUCLEUS. ELECTRONS. NEUTRONS. Negative Charge. PROTONS. Positive Charge. Neutral Charge. +. +. +. +. +. + . Mass Number. mass # = protons + neutrons. always a whole number NOT on the Periodic Table!. Neutron.
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Subatomic Particles ATOM NUCLEUS ELECTRONS NEUTRONS Negative Charge PROTONS Positive Charge Neutral Charge
+ + + + + + Mass Number mass # = protons + neutrons • always a whole number • NOT on the Periodic Table! Neutron Electrons Nucleus Proton Nucleus Carbon-12 Neutrons 6 Protons 6 Electrons 6
X Mass number # protons Atomic number # protons + # neutrons mass number Nuclide Symbols Contain the symbol of the element, the mass number and the atomic number
F 19 9 Nuclide Symbols • Find the • number of protons • number of neutrons • number of electrons • Atomic number • Mass number
Br 80 35 Nuclide Symbols Find the • number of protons • number of neutrons • number of electrons • Atomic number • Mass number
V 51 23 Nuclide Symbols If an element has an atomic number of 23 and a mass number of 51 what is the • number of protons • number of neutrons • number of electrons • Complete symbol
Nuclide Symbols for Ions • What is an ion? • An ion is a charged particle • It could be positive or negative • What does that do to the number of protons, electrons, and neutrons?
Nuclide Symbols Find the • number of protons • number of neutrons • number of electrons • Atomic number • Mass number Na 23 1+ 11 Sodium ion
Isotopes • Atoms of the same element can have different numbers of neutrons (different mass numbers) C-12 vs. C-14 California WEB
C 12 6 Mass # Atomic # Isotopes • Atoms of the same element with different mass numbers. • Nuclear symbol: • Hyphen notation: carbon-12
Neutron Nucleus Proton Proton + Nucleus + Neutron + + + Carbon-12 + + + + + + + Carbon-14 Isotopes Electrons Nucleus Electrons Neutrons 6 Protons 6 Electrons 6 Neutrons 8 Protons 6 Electrons 6 Nucleus