The correct option is :Atoms are made up of mostly empty space.
Explanation:
Ernest Rutherford’s gold foil experiment has following observation:
Most of the alpha particles had easily escaped through the atom which accounts for that atom is mostly empty space.
Very less number of alpha particles were deflected from their path which indicated that positive charge is only concentrated in the center of the atom which termed as nucleus of an atom where positively charged i.e protons are located.
Whole the mass of an atom is concentrated in the nucleus of the atom.
Kinetic energy of an object is directly connected to the speed object. Like a toy car being used on a table, the toy car will speed up which means the kinetic energy of that toy car will also increase
Explanation: Chlorine has a high electronegativity of 3.0. Copper like most metals has a low electronegativity, So the bonding is ionic making the compound an ionic salt.
