Sodium (Na) has the positive charge; the chloride ion (Cl) has the negative charge.
Sodium chloride (NaCl) contain sodium and chlorine.
NaCl is a molecule composed of two atoms Na and Cl.
The formula unit of NaCl (sodium chloride) contain 2 atoms.
Sodium chloride (NaCl) contain sodium and chlorine.
The ratio Na/Cl is 1 in the formula unit.
Compound
NaCl is a molecule composed of two atoms Na and Cl.
The formula unit of NaCl (sodium chloride) contain 2 atoms.
In one molecule of NaCl there are two ions, Na+ and Cl-.
The formula unit -NaCl - (not a molecule) contain two atoms.
Sodium chloride (NaCl) contain sodium and chlorine.
The commonalities that elements, compounds, and mixtures all have in common is that they all contain atoms. Even though they all contain atoms, the number of atoms vary in each of them.
Sodium chloride contain two atoms in the formula unit.
Sodium clhoride (NaCl) contain atoms of sodium and chlorine.
NaCl is an example. It is an ionic compound.
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Ionic compounds contain ions, there are no neutral molecules. These are often charged atoms as in NaCl but may be polyatomic ions such as NH4+ which contains covalent bonds
A compound is formed from two or more elements; examples: NaCl, H2SO4, UF6, H2O, etc.An element contain only one type of atoms (if we don't consider isotopes).