J.J. Thomson discovered and identified the electron, which was the first subatomic particle to be discovered. R.A. Millikan determined the unit charge of the electron in 1909 with his oil drop experiment. Thus allowing for the calculation of the mass of the electron and the positively charged atoms. Ernest Rutherford overturned Thomson's model in 1911 with his well-known gold foil experiment in which he demonstrated that the atom has a tiny and heavy nucleus. James Chadwick discovered the Neutron in atoms.
Physical change as the looks of the matter only change and it doesn't create a new matter or stuff
It was finally destroyed by the process of Sterilization.
Answer: Image result for What is the Lewis dot structure for N2socratic.org
Transcript: For the N2 Lewis structure, we have five valence electrons for Nitrogen--it's in group 5 or 15 on the periodic table. We have two Nitrogens. Multiply those together, we have a total of 10 valence electrons for the N2 Lewis structure.
The correct option is B.
Matters exist in three phases, which are solid, liquids and gas. These three phases behaves differently based on their structures. Solids have definite shape and volume and their particles are tightly connected, so their particles vibrate about a fixed position. Liquids have definite volume but no shape. The inter molecular force among liquid particles is not as strong as that of solid, so the particles can move around slowly. Gases has no shape and no volume. The inter molecular force in gas particles are negligible and thus, they move about freely and randomly and fill all the available spaces.