Question

write atomic number and mass of aluminium, argon, oxygen​

Answer 1

Answer:

aluminum Atomic Number 13

Atomic Mass 26.982 atomic mass units

argon 18 Ar 39.948

atomic number 8

atomic weight [15.99903, 15.99977] oxygen

Answer 2

Explanation:

atomic no :: oxygen = 8

aluminum = 13

Argon = 18

Mass number:: Oxygen = 15.9u

Aluminum = 26.981u

Argon = 39.94u

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