Question

Atomic mass of aluminum

Answer 1

approxi...
26.9815 u + 8 x 10^-7

Answer 2

Answer:

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Atomic mass is the sum of number of protons and of neutrons.

Aluminum contains thirteen protons and fourteen neutrons in it.

So, it's atomic mass is .

i.e.

Atomic Mass of Aluminum = Number of protons + Number of neutrons

=> 13 + 14

=> 27 u

27 u is the Atomic Mass of Aluminum.

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