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Volgvan
2 years ago
6

The elememt sodium (Na) is a ?

Physics
2 answers:
lorasvet [3.4K]2 years ago
8 0
The atomic number is 11
It is characterized as an alkali metal
it has 11 electrons & protons 
the atomic mass unit is 22.99
luda_lava [24]2 years ago
3 0
It is a very reactive metal with 11 protons ,12 neutrons, 11 electrons, and 1 valence electron
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