Warm-up: Complete the following table

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Presentation transcript:

Warm-up: Complete the following table Nuclear Symbol Atomic Number Atomic Mass # P # N # E 24 22 ___Br- 79.904 35 80 81 20

Isotope Notes Tuesday, October 24th, 2017

same element different masses Isotope - Variation of a type of atom All isotopes of an atom have the same # protons Each isotope of an atom has different mass Therefore, Each isotope has a different mass # Each isotope has a different # neutrons same element different masses

Isotope Hydrogen-1 Hydrogen-2 Hydrogen-3 Atomic Number 1 Mass Number 3 # protons # neutrons # electrons Nuclear Symbol

Examples: Atomic # Mass #p #n #e Nitrogen-12 Nitrogen-14 Sulfur-30

Complete "An Investigation into Isotopes" Examples: Atomic # Mass #p #n #e Nitrogen-12 7 12 5 Nitrogen-14 14 Sulfur-30 16 30 Sulfur-32 32 Complete "An Investigation into Isotopes"