A chemical that reacts with a acid and is soluable in water releasing hydroxide ions
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What is Avogadro constant
the number of atoms per mole of carbon-12 istope (6.03 X 10^23)
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What is a base
A chemical that can react with acids and is a proton acceptor
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What is a dative covalent bond
A bond formed by a shared pair of electronsthats been provided by one of the bonding atom only
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What is first ionisation energy
The energy required to remove one electron from one mole of gaseouse atoms to form one mole of gaseous 1+ ions
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What is a hydrogen bond
A stong permanent dipole dipole attraction between a hydrogen atom on one molecule and a lone pair of electrons on a highly electronegative atom on a different molecule
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What is Electronegativity
The abilty to attract a boned pair of electrons
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What are London forces
Attractive forces between a permanent dipoleand a induced dipole in neighbouring molecules
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What is a salt
Any chemical compound fromed by a acid when a H+ ion from the acid has been replaced by metal ion or another positive ion .
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What are Van der Waal's forces
AAn intermolecular bond caused by permantly induce dipole-dipole bonig
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What is an Alkali
Anything that gives a solution a pH of 7 or overwhen dissolved in water. they relsea OH-
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What is the formulae of amonnia
NH3
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When do Covalent Bonds accur
In compounds consisting of two no-metals where the electrons are shared
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When does Ionic bonding happen
In a compound with consisting of metal and non-metal
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What is a Giant inoinc lattices
A compound that contains millions of ions that have been formed through electron transfer
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What are simple molecular structures
Simple molecular structores mad up from small simple molecules. THe atoms are help to gether by weak intermolecular forces such as london forces
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What are halogens
The group 17 elements
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Other cards in this set
Card 2
Front
the number of atoms per mole of carbon-12 istope (6.03 X 10^23)
Back
What is Avogadro constant
Card 3
Front
A chemical that can react with acids and is a proton acceptor
Back
Card 4
Front
A bond formed by a shared pair of electronsthats been provided by one of the bonding atom only
Back
Card 5
Front
The energy required to remove one electron from one mole of gaseouse atoms to form one mole of gaseous 1+ ions
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