because Na has one electron in its outer shell, the charge of the ion is Na+
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1 because Na ions have a +1 charge while Cl ions have a -1 charge.
Sodium chloride (NaCl) is typically formed through the chemical reaction between sodium (Na) and chlorine (Cl). Sodium atoms donate an electron to chlorine atoms, resulting in the formation of Na+ ions and Cl- ions that attract each other due to their opposite charges, forming salt crystals.
Atoms are neutral particles consisting of protons, neutrons, and electrons, while ions are charged particles formed when atoms gain or lose electrons. Ions can be positively charged (cations) if they lose electrons or negatively charged (anions) if they gain electrons. Atoms do not have a net charge, whereas ions have a net positive or negative charge.
The compound Na2O is formed through a reaction between sodium metal (Na) and oxygen gas (O2). During this reaction, the sodium atoms lose electrons to become positively charged ions (Na+), while the oxygen atoms gain electrons to become negatively charged ions (O2-). These ions combine to form the ionic compound Na2O.
Ions with a positive charge are called cations. Common cations include hydrogen ions (H+), sodium ions (Na+), and calcium ions (Ca2+).