Revision on unit 1 (Matter and its construction) | Baamboozle - Baamboozle

Revision on unit 1 (Matter and its construction)

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Density is the………… of unit volume of the substance, and its measuring unit is …………..

mass, gm/ cm3

.No. of protons = ……. , Number of electrons =....,number of neutrons=................for Cl 17 ( (mass number = 35)

Mass number = P + n (17 protons , 17 electrons , 18 neutrons)

Mention the kind of each matter of the following figures (element or compound) giving the reason .(H2 , H2O, O2 , HCl , Cl2) ,

H2 element because, its molcule consists of similat atoms , H2O compound because , it consists of different atoms , O2 is element , HCl is compound ,

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