unit A final 1 fourmulas Flashcards

1
Q

nuclear notation

A

chemical symbol in the middle atomic number on top and to the Left and atomic mass below

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2
Q

group number =

A

valence

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3
Q

period=

A

Energy level

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4
Q

how to get protons

A

atomic number

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5
Q

how to get neutrons

A

mass number - atomic number

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6
Q

how to get how many elctrons

A

are equall to atomic number

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