Enfant India English School
Class-8
Science Assignment3
Q.1) Write the names and symbols of the constituent elements and identify their valencies from the molecular formulae given below.
KCl, HBr, MgBr2, K2O, NaH, CaCl2, CCl4, HI, H2S, Na2 S, FeS, BaCl2
Q.2) Write Physical Properties of Metals.
Q.3) Write Physical Properties of non-Metal.