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mcat 25 atomic + molecular struct > 25.2 Isotopes > Flashcards

25.2 Isotopes Flashcards

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MCAT flashcards
1
Q

isotopes

A

two atoms of the same element, but with different number of neutrons

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2
Q

what stays the same or changes with isotopes of the same element?

A

same: Z/number of protons
different: A/number of neutrons

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3
Q

atomic weight

A

weighted average of the masses of natural isotopes of an element

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4
Q

formula for atomic weight?

A

Atomic weight (AW) = (% isotope) (mass isotope)

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mcat 25 atomic + molecular struct (16 decks)

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