Room 1 = Al
Room 2 = O
Room 3 = Cl
Room 4 = S
Room 5 = He
Room 6 = Li
Room 7 = P
Room 8 = Si
Room 9 = N
Room 10= Na
Room 11= Ar
Room 12= C
Room 13= Ne
Room 14= Be
Room 15= B
Room 16= F
Room 17= Mg
Room 18= H
Room 1. Al - Aluminum
Room 2. O - Oxygen
Room 3. Cl - Chlorine
Room 4. S - Sulfur
Room 5. He - Helium
Room 6. Li - Lithium
Room 7. P - Phosphorus
Room 8. Si - Silicon
Room 9. N - Nitrogen
Room 10. Na - Sodium
Room 11. Ar - Argon
Room 12. C - Carbon
Room 13. Ne - Neon
Room 14. Be - Beryllium
Room 15. B - Boron
Room 16. F - Fluorine
Room 17. Mg - Magnesium
Room 18. H - Hydrogen
there are many of them
dont know
o cl al
smallest part of a compoud
He was Russian
Dmitri Mendeleev
Dmitri Mendeleev performed his research during the year 1847.
Mendeleev predictions were correct.
Mendeleev did not predict the properties of silicon.
Mendeleev was a Russian chemist who organized the periodic table.
=== ===Dmitri Mendeleev was a Russian chemist who formulated the periodic table.
Mendeleev published the periodic table in 1869.
mendeleev's name for a column of elements was groups.
There is nothing in this world that I fear to say.Dmitri Mendeleev
Chemical elements arrangement was the object of study for Mendeleev.