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Q. What do you know about Radioactive Dating? Ans. Half-life measurements of radioactive elements in rocks and fossils can be used to determine the age of the specimen. On
H+
Evidence in favor of Kekule's structure 1. Benzene combines along with 3 molecules of hydrogen or three molecules of chlorine. It also collides along with 3 atoms of ozone to
I think it''s funny how you guys say that you''re experts, but on the periodic table on the site you have the noble gases listed as inert elements. If whoever created that page act
The energy of the electron in the first orbit of He + is -871.6x 10 -20 J . The energy of the electron in the first orbit of hydrogen would be : (1) -871.6 x10 -20 J
What are photochemical reactions? Explain the mechanism of the photo- chemical reaction occurring among hydrogen and chlorine gas.
what are the pattern og ionic radii and atomic radii for p block element?
readings
Covalent Bond Purely electrostatic attractions between ions are nondirectional, but with increasing covalent character the directional properties of valence orbitals become more
when 100ml of M/10 h2so4 is mixed with 500ml of M/10 naoh then nature or resulting solution and normality of excess of reactant left is
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