Classification and propertis of matter
Ionic compounds ( multivalent polatumc ions)
monecular compounds
balancing chemical equations
acids and bases
100
what can a phyisical property be ?
any charactoritic determind by your sense ( coulor , taste , texture )
100
what is the formula for sodium chloride ?
NaCl
100
what are monecular compound made of ?
non - metals
100
chemical equations are ued to represent what ?
chemical reactions
100
how can you identify somthing is a acid?
the chemical formula will start with a hydrogen
200
whats the difference from a physical and chemical property?
physicla is a substance you can observe and measure without changing it and chemical is when the substance can react with another substance
200
What a polyatomic ion ?
ions that are made of more than one element
200
when do moneculr compounds form?
when electron are sharred between two non-metals
200
how do we balance chemical equations ?
by adding coefficints to the front of compounds in a chemicl reaction
200
what are to different properies of a base ?
-generally slippery and bitter -one of the earliest known uses of bases wa making soap
300
what is another word to desribe physical and chemical properies ?
Elements an compounds
300
what do you have to do while naming ionic compound with polyatomic ions ?
write the metals name and write the polyatomic name
300
what i the chemical formula for carbon tetrachlorde ?
CCl4
300
why do we need to balance chemical equations ?
we have to equal number of atoms on both sides of the arrow ( <----> )
300
why is NaOH a base?
because it contains the OH group
400
According to the particle theory of matter what is a pure substance?
contains only one tye of particle and example is water andoxygen
400
while naming ionic compounds withmultivalent metals hat d you have to do ?
write the metal with the roman numeral used to make the compound
400
the combining capacity of a non-metal happends when ?
when the number bonds it will need to form a stable molecular
400
what do we use to balance chemical equation ?
coefficients only
400
what ion is released by acid when they dissolve in water?
H+
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