Chapter 3 Atom Flashcards by Vien Huynh | Brainscape

Q

How is an isotope represented?

A

Top number is mass

Bottom number is atomic number

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Q

Mass number

A

Protons plus neutrons

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Q

Neutrons

A

Mass#-p

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Q

Atomic #

A

Equals protons

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Q

Electrons

A

Equals protons

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Q

How many groups of representative elements are there?

A

8

1-2, 13-18

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