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15 Cards in this Set

  • Front
  • Back
what is ion
having an electric charge and not being nuetral
ionc bond?
an attraction between oppositivly charged ions
chemical formula?
concise way of expressing information about the atoms that constitute a particular chemical compound.
chemical bond?
the force that holds atoms together
which ions comes first?
positive, negative
3 properties of an ionic compound?
hard to the touch, high melting point,fragile
ionic bond-strong or weak?
strong
covalent properties?
weak,low melting poing and low boiling point ,non metals
alkali- physical properties?
1.reactive
alkali-important?
potassium, sodium
potassium?
it is an indicator of high blood preasure and it helps cramps
sodium?
it helps digest the food in your body
alkaline- physical properties?
harder to the touch,good conducters to electricity, grayish whitish
alkaline-important?
calcium, magnesium
calcium?
our bones and teeth need it to grow