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sections 6-1 6-4 6-2

physical science honors chapters 6 sections 1,2,4

What is a compound? Two elements that are chemically combined in a fixed ratio
what are chemical bonds? the attractive forces that hold different atoms or ions together
Ammonia,vinegar,sand,sugar,rubbing,alcohol, water(H2O) examples of compounds
chemical formula short hand way of writing a chemical name
subscripts tells the # of atoms
superscripts tells the charger or oxidation
ionic bonds network structure(strong bond), high melting point, dissociate in water, gain and lose e-
covalent bonds molecule structure(weak bond), share electrons,low melting do not dissociate in water
what is common between covalent and ionic bonds? both try to make elements happy(stable)
what is a ion? an atom that is either a positively(cation) or negatively(anion) charged
what is a ionic bond? the force of the attraction between the opposite charges of ions(metal/nonmetal)
what is a molecules? neutral particles formed as a result of electrons sharing
what is a covalent bond? the bond between atoms when they share electrons(happens between two nonmetals)
Non-polar in a molecule when the atoms share evenly Ex:H2,N2,O2,F2,Cl2,Br2,I2
polar when one atom is has a stronger attraction for the electrons than the other Ex:CO2,H2O
what is a polyatomic ion? a group of covalently bonded atoms that have either lost or gained electrons.
a metallic bond a bond formed by the attraction between positively charged metal ions and the electrons around them Ex:Cu,Au,Ag,Zn
organic most any covalently bonded atom that contains carbon in it(anything that is alive)
inorganic most compounds that do not contain the element carbon Ex:CO,CO2
Created by: forvereme97



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