Ionic and Covalent Bonds

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What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions, typically between a metal and a nonmetal.

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What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons, usually between nonmetals.

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What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons in order to have eight valence electrons, achieving a stable electron configuration.

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What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

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What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

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What are metals in terms of bonding?

Back

Metals tend to lose electrons to form positive ions (cations) and typically form ionic bonds with nonmetals.

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What are nonmetals in terms of bonding?

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Nonmetals tend to gain or share electrons to form negative ions (anions) or covalent bonds with other nonmetals.

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What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals and can either gain or lose electrons.

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What are noble gases?

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Noble gases are elements in Group 18 of the periodic table that are chemically inert due to having a full valence shell.

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How do you determine the formula for an ionic compound?

Back

The formula for an ionic compound is determined by balancing the total positive and negative charges of the ions.