Question

What is the difference between the 4 words and why?
3. CO2, NaI, H2O, F2
4. sulfur, phosphorus, barium, krypton
5. iodine, radon, argon, helium
6. lithium, beryllium, carbon, selenium
7. mole, Avogadro’s number, kilogram, liter
8. rusting, melting, evaporating, freezing
9. tarnishing, condensing, burning, rusting
10. conductivity, freezing point, volume, density
11. electron, neutron, proton, nucleus
12. 910 m, 28.6 g, 0.0460 L, 440. cm
13. Avogadro, J.J. Thomson, Rutherford, Dalton
14. symbol, mass number, atomic number, isotope
15. gamma rays, heat, radar, ultraviolet
16. orbit, Bohr, Mendeleev, electron
17. fluorine, bromine, iodine, sulfur
18. alkali metals, halogens, transition metals, lanthanides
19. atomic radii, ionization energy, electronegativity, mass number
20. ionic, covalent, energy, metallic

Answer 1

Answer

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