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Nuclide Symbols & Isotopes PowerPoint Presentation

Nuclide Symbols & Isotopes

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Subatomic Particles

ATOM

NUCLEUS

ELECTRONS

NEUTRONS

Negative Charge

PROTONS

Positive

Charge

Neutral

Charge

+

+

+

+

+

Mass Numbermass # = protons + neutrons

- always a whole number
- NOT on the Periodic Table!

Neutron

Electrons

Nucleus

Proton

Nucleus

Carbon-12

Neutrons 6

Protons 6

Electrons 6

Mass

number

# protons

Atomic

number

# protons

+ # neutrons

mass number

Nuclide SymbolsContain the symbol of the element, the mass number and the atomic number

19

9

Nuclide Symbols- Find the
- number of protons
- number of neutrons
- number of electrons
- Atomic number
- Mass number

80

35

Nuclide Symbols

Find the

- number of protons
- number of neutrons
- number of electrons
- Atomic number
- Mass number

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

- An ion is a charged particle
- 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

12

6

Mass #

Atomic #

Isotopes- Atoms of the same element with different mass numbers.

- Nuclear symbol:

- Hyphen notation: carbon-12

Nucleus

Proton

Proton

+

Nucleus

+

Neutron

+

+

+

Carbon-12

+

+

+

+

+

+

+

Carbon-14

IsotopesElectrons

Nucleus

Electrons

Neutrons 6

Protons 6

Electrons 6

Neutrons 8

Protons 6

Electrons 6

Nucleus

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