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Ffiseg > 2.7 Mathau O Belydriad > Flashcards

2.7 Mathau O Belydriad Flashcards

1
Q

Beth yw niweaus

A

Rhan ganol yr atom wedi cyfansoddi gan niwtronnay a protonau

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2
Q

Beth sun llai na moleciwl

A

> atom>mater

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3
Q

Beth ye torri pro a niwtr i Rhannau llai

A

Cwarcs

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4
Q

Gronyn
Mas cymharol
Gwefr

A

Proton
1
+1

Niwtron
1
0

Eecron
0.005
-1

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5
Q

Beth ye isotop

A

Yr un rhif atomig ond nifer o niwtronnay gwahanol
Ansefydol

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