What element mass number is 11 has 6 neutrons and average mass number of 10.81?

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asked Jan 12, 2017 200k views

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Filipiz · Answer 1 · 2017-01-17T19:03:36+0000

Valence electron- 2.8.1( mass number 11), so it is situated in group 1. The mass number indicates Na- sodium. Proton number would be 11+6=17. Neutron number is counted by subtracting mass number and proton number. So I conclusion the ans would be sodium.

What element mass number is 11 has 6 neutrons and average mass number of 10.81?

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