chapter 18 32-42
Terms in this set (11)
what happens when atoms that tend to lose electrons re close to atoms that ten to gain electrons?
the two oppositely charged ions are attracted to each other by the electric force which holds them together
what is an ionic bond?
Bond formed by metal and nonmetal
what is an ionic compound?
any chemical compound containing ions
what type of ion do metals form?nonmetals?
metals form positive ions and nonmetals form negative ions
what is true about the positive and negative charges in all ionic compound?
for all ionic compounds, positive, and negative charges must balance
how do you balance a +3 ion with a -2 ion?
Write the subscript for the two ions so that they are equal to one another
what is the term for an orderly array of ions?
what is the term for positively charged ions held together by a fluid of negatively charged ions?
why are metals able to conduct electricity and heat?
metals are opaque and shiny because the free electrons easily vibrate to the oscillations of any light falling on them, reflecting most of it
what is an alloy?
any mixture composed of two or more metallic elements
what is an ore?
geologic deposits containing high concentrations of metals containing compounds.
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