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Ca has 2 electrons in outer shell (valence electrons) and O has six. Because of this, Ca loses 2 electrons which O gains, and Ca becomes a Ca2+ ion, and O becomes an O2- ion. These then bond to form CaO.

Ca2+ + O2- → CaO

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Related Questions

How do you use ionic bonds in sentence?

Ionic bonds generally form between metals and nonmetals.


What are the two types of bonds and what are the differences between the bonds?

The two types of bonds are covalent bonds and ionic bonds. Covalent bonds involve the sharing of electrons between atoms, while ionic bonds involve the transfer of electrons from one atom to another. Covalent bonds tend to form between nonmetal atoms, whereas ionic bonds form between a metal and a nonmetal.


What bonds form between a metal and a nonmetal?

Ionic


Does Ionic bonds form between two negatively charged particles?

No, ionic bonds form between particles with opposite charges.


Do metalic elements and non-metalic elements form ionic bonds?

These bonds tend to be ionic. However, all bonds are somewhere between purely ionic and purely covalent.


Can ionic bonds be established between identical atoms?

No, ionic bonds are formed between atoms of different elements that have significantly different electronegativities. Identical atoms have the same electronegativities, so they do not form ionic bonds.


Ionic bonds form between molecules that have what?

Polar molecules


What type of bonds form between calcium and oxygen?

Ionic


What is the main difference between covalent and ionic bonds?

Covalent bonds involve the sharing of electrons between atoms to form a stable molecule, while ionic bonds involve the transfer of electrons from one atom to another to create charged ions that attract each other. Covalent bonds typically form between nonmetals, while ionic bonds form between metals and nonmetals.


Do ionic bonds form molecules?

No, ionic bonds do not form molecules. Ionic bonds result from the transfer of electrons between atoms to form ions, leading to the formation of an ionic compound rather than a molecule. This results in a lattice structure rather than discrete molecules.


What does ionic bonding form and what does ot occur between?

Ionic bonds are formed by electrostatic attraction.


Ionic bonds form between what kinds of elements?

Ionic bonds form between elements with large differences in electronegativity, typically between a metal and a nonmetal. Metal atoms tend to lose electrons to form positively charged cations, while nonmetal atoms tend to gain electrons to form negatively charged anions, resulting in the attraction between oppositely charged ions that form the ionic bond.