28 июл. 2015 г. · Sodium. If it has 11 electrons, it has 11 protons which makes it atomic number 11, and atomic symbol Na. Sodium has an atomic weight of 22.9898.

1 февр. 2018 г. · 12 protons would be Magnesium, while sodium with an atomic weight of 12 would have just one neutron, and not even bind together.

4 мая 2020 г. · The approximate atomic mass of an atom is the sum of the protons and neutrons in the atom. So, in this case, the atomic mass would be 11 + 12 = ...

4 нояб. 2017 г. · Sodium has 11 electrons, 11 protons and 12 neutrons in the nucleus, thus it has Atomic weight or mass of 23 and atomic number of 11 (protons.

2 дек. 2020 г. · There is only one stable sodium isotope, which is Na-23. Na-23 has 12 neutrons and 11 protons per sodium nucleus and it constitutes essentially ...

22 янв. 2022 г. · With eleven protons (Z = 11) it's Sodium, with 13 neutrons (A = 13 + 11) it's Sodium-24 (half-life a little under 15 hours but a trace occurring ...

1 апр. 2017 г. · If element Q has 11 protons in its atomic, what is 11? ... A single atom of an element has 11 protons, 11 electrons, and 12 neutrons.

Sodium has 11 protons because it is sodium. That is the definition of sodium, 11 protons. If it has 10 it would be neon; if it had 12 it would magnesium.

23 окт. 2016 г. · Sodium is the 11th 11 t h element, thus, it has 11 protons. Additionally, it also has 12 neutrons. The mass of a neutron is very close to the ...

30 мар. 2022 г. · We got 11 electrons in the PRESUMABLY NEUTRAL atom. And thus there are 11 positively-charged particles, i.e. 11 protons in the nucleus of this ...