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Fluorine is a non metal element. Atomic Mass number of it is 19.

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9y ago
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9y ago

Fluorine is a non metal element. Mass number of it is 19.

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14y ago

there is no element that has exact atomic mass of 19. However the closest on is Flourine, and it has the atomic mass of 18.9984.

9

F

Flourine

18.9984

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13y ago

Fluorine (F) has an atomic mass of around 18.99840, which can be rounded to 19.

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8y ago

Potassium has an atomic number of 19.

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13y ago

Potassium, symbol K, number 19

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anonymous123

Lvl 3
2y ago

the answer is pottasium

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15y ago

Potassium

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11y ago

Potassium.

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Q: Which element has an atomic number of 19?
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