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CHAP FAGK Periodic Table of the Elements
I Atoms and Molecules
10 other sections not shown
a-particles a-rays amount atomic weight Avogadro's carbon cathode chemical chemists civilisation coal combined compounds conservation contains converted cooling cules definite direction discovery earth electric charges electric energy electrons elements energy of motion equipartition of energy evolved existence flow fluorescent force fundamental gases gram gravitation Group heat energy helium hydrogen increase inertia kind kinetic energy known latent heat less light liquid magnetic field magnetic lines mass material matter means measured mechanical energy ment metal million minerals modern mole molecular molecules moving natural negative nitrogen oxygen particles pellation period perpetual motion phenomena physical pole position possess possible potential energy pressure produced properties proportion pure quantity radiation radioactivity radium rays recognised second law simple single atoms smallest space steam substance supply termed things thorium tion tractation transmutation tube unit uranium utilisation vacuum vacuum tube velocity whilst whole wire X-rays y-rays