Reactants bonds are broken and products bonds are formed
A polar molecule is a molecule whose ends have opposite electric charges. An example of a polar molecule is H2O or water. Water has 1 side which is positive and the other side which is negative. It is a dipole which means that the two sides are not having the same charges.
Number 1 is Comets and asteroids
Number 2 is Comets are made of ice and rock
Number 3 is Meteor
Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce.
