2.1 Atoms and Isotopes Flashcards by Benjamin Shepler | Brainscape

Q

what is an isotope

A

and atom with and different number of neutrons

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Q

what is the atomic mass of oxygen

A

16

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Q

How many neutrons are in Oxygen-18

A

10

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Q

How many valence electrons does Fluorine have

A

7

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Q

what does a 2+ charge mean on an atom

A

2 less electrons

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Q

what does a 1- charge mean

A

1 additional electron

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Q

do different Isotopes react differently

A

no, they react the same way

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Q

what is mass number

A

total number of protons and neutrons

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Q

what are Isotopes used for in science

A

find the age of fossils and calculate Earth’s temperature during different time periods

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Q

how many valence electrons does carbon have

A

4

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Q

where are valence electrons located

A

outer orbital

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Q

what do valence electrons do

A

help determine reactivity

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Q

Name a Carbon isotope

A

Carbon-13

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Q

what is the most common isotope of Carbon

A

Carbon-12

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Q

A

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