(SC3) Atomic Structure Flashcards

1
Q

Atomic number…

A

number of protons

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2
Q

Mass number…

A

the total number of protons and neutrons

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3
Q

Isotopes are…

A

atoms of the same element but with different masses. They have the same atomic nmber but different mass numbers.

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4
Q

Relative Atomic Mass (RAM) is…

A

the mean mass of an atom of an element compared with carbon-12

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5
Q

Ar stands for

A

Relative Atomic Mass (RAM)

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