Ionic Bonds and Ionic Compounds Flashcards

1
Q

ionic bond

A

the electrostatic force that holds 2 oppositely charged particles together in an ionic compound

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2
Q

ionic compound

A

compounds that contain ionic bonds

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3
Q

oxides

A

if ionic bonds occur between metals and the nonmetal oxygen

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4
Q

salts

A

most other ionic compounds

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5
Q

binary compounds

A

a compound that contains a metallic cation and a nonmetallic anion

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6
Q

binary

A

a compound that contains only 2 elements

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7
Q

what determines the ratio of positive and negative ions

A

the number of electrons transferred from a metal atom to a nonmetal atom

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8
Q

ionic crystals

A

the result of an ionic compound. it has a highly organized nature with a constant spacing of ions and a uniform pattern.

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9
Q

formation of crystal lattice

A

the strong attraction among the positive ions and negative ions in an ionic compound

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10
Q

crystal lattice

A

a 3 dimensional geometric arrangement of particles

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11
Q

physical properties

A

melting point , boiling point and hardness. they are determined by the strength of electrical forces between particles in matter. ionic crystals have high melting and boiling points and are hard to break

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12
Q

electrolytes

A

an ionic compound whose aqueous solution conducts electric current , in ionic compound solutions ions move freely thus they can conduct electricity unlike when they are solids

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13
Q

endothermic

A

reactions that absorb energy

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14
Q

exothermic

A

reactions that release energy ; ion formation

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15
Q

lattice energy

A

the energy required to separate 1 mol of ions from an ionic compound , the greater the lattice energy the stronger the force of attraction

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16
Q

ion size

A

relates to lattice energy ; smaller ions have greater lattice energy. ionic bonds formed from ions with larger positive or negative charges also have greater lattice energy