10 Questions
Explain what an ion is and how it forms.
An ion is an electrically charged atom or group of atoms formed by the loss or gain of electrons. This loss or gain leaves a full outer shell of electrons.
What determines whether an atom will become a positively charged ion or a negatively charged ion?
The number of electrons in the outer electron shell determines whether an atom will become a positively charged ion (by losing electrons) or a negatively charged ion (by gaining electrons).
How are ionic compounds formed?
Ionic compounds are formed when atoms of metals transfer electrons to atoms of non-metals to form compounds made up of ions.
What is the electronic structure of an ion, and how does it relate to noble gases?
The electronic structure of an ion will be the same as that of a noble gas. This means that ions will have a full outer shell of electrons, similar to Helium, Neon, and Argon.
What is the general process for the formation of ionic compounds?
Electron transfer from one atom to another to form ions with complete outer shells of electrons.
What are the characteristics of elements that form ionic compounds?
Metals on the left of the Periodic Table and non-metals on the right of the Periodic Table.
Describe the process of ionic bonding between a metal and a non-metal.
The metal loses electron(s) and the non-metal gains electron(s) to form oppositely charged ions.
Give an example of an ionic bond and describe the electron transfer involved.
Example 1: NaCl. The outer electron of sodium transfers to chlorine, producing Na+1 and Cl-1 ions with complete octets.
Explain the ionic bonding process in the formation of MgO.
The two outer electrons of Mg transfer to O, producing Mg+2 and O-2 ions with complete octets.
Describe the electron transfer and ionic bonding process in the formation of MgCl2.
Mg has to lose two electrons to attain a full octet, and Cl needs to gain one electron to attain a full octet. One magnesium atom combines with two chlorine atoms to produce Mg+2 and two Cl-1 ions.
Learn about the formation of ions through the loss or gain of electrons, and how it leads to a full outer shell of electrons similar to noble gases. Explore the ionization of metals and non-metals and how they become positively or negatively charged ions.
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