The element sodium has 12 neutrons. The element also has an atomic number of
11, meaning that it has 11 electrons and 11 protons. It has an atomic mass of ...
Sodium at Chemical Elements.com. Basic Information ... Number of Protons/
Electrons: 11. Number of ... Symbol Origin: From the Latin word natrium (sodium)
Name, Sodium. Symbol, Na. Atomic Number, 11. Atomic Mass, 22.990 atomic
mass units. Number of Protons, 11. Number of Neutrons, 12. Number of Electrons
Oct 20, 2015 ... The atomic number tells you the number of protons for an atom. Since the ... An
atom of sodium has 11 protons, 11 electrons,and 12 neutrons, what is its atomic
number and mass number? Chemistry .... How does molecular weight affect
freezing point? ... How many states made up the confederacy? U.S.
Atoms of the same element have the same atomic number, but may have ...
Represents a sodium atom which always has 11 protons and in this case has a
The atoms of different elements have different numbers of protons. For example,
all oxygen atoms have 8 protons and all sodium atoms have 11 protons.
Sodium (Na) square from the periodic table. The mass number (23). The atomic
number of an element tells you how many protons that the element has. This is ...
Oct 26, 2015 ... The number of electrons does not factor into the overall mass, because ... How
many neutrons do (K) potassium-39 and potassium-40 have, respectively? ... For
example, sodium only has one electron in its outermost shell.
How many neutrons does hydrogen have? 0. ... How many protons does helium
have? 2. .... How many valence electrons does sodium have? 1.
(How many neutrons does each isotope possess?) ... Ionic Bonding - Element 11
(Sodium) has a single valence electron which can be relatively easily lost as it ...