1) The molecules of the substance are formed by polar covalent bonds:A) HCL.B) H2.C) CL2.D) I2.2) There are only 14 possible 3D lattices are called:A) Straight lattice.B) Unit lattice.C) Bravais lattice.D)...
Physics is not only a subject it is an observation. So if someone wants to learn physics first thing he needs to learn is just how to observe things. Just take an example of a guy who is sitting inside...