Compounds are substances in which atoms of two or more elements are chemically combined.
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What does chemical bonding involve?
Chemical bonding involves either transferring or sharing electrons in the highest occupied energy levels (shells) of atoms in order to achieve the electronic structure of a noble gas.
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What happens when atoms form chemical bonds by transferring electrons?
They form ions.
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What happens to atoms that lose electrons?
They become positively charged ions.
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What happens to atoms that gain electrons?
They become negatively charged ions.
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What electronic structure do ions have?
The electronic structure of a noble gas (Group 0).
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What do alkali metals (Group 1) react with to form ionic compounds in which the metal ion has a single positive charge?
Non metal elements.
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What to the halogens (Group 7) react with to form ionic compounds in which the halide ions have a single negative charge?
Alkali metals.
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What is an ionic compound?
A giant structure of ions. They are held together by strong electrostatic forces of attraction between oppositely charged ions.
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What is ionic bonding?
Ionic bonding holds oppositely charged ions together in giant structures.
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What happens when atoms share pairs of electrons?
They form covalent bonds.
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What do metals consist of?
Giant structures of atoms arranged in a regular pattern.
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Other cards in this set
Card 2
Front
What does chemical bonding involve?
Back
Chemical bonding involves either transferring or sharing electrons in the highest occupied energy levels (shells) of atoms in order to achieve the electronic structure of a noble gas.
Card 3
Front
What happens when atoms form chemical bonds by transferring electrons?
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