Seudónimo Seudónimo

21-10-2016
Chemistry

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Helium, neon, and argon are examples of
A) metals
B) metalloids
C) noble gases
D) transitional metals

Respuesta :

21-10-2016

C) Noble gases
The six noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). Their atomic numbers are, respectively, 2, 10, 18, 36, 54, and 86.

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Аноним Аноним

04-10-2018

c noble gas i answered it, and i got it right

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