A) Tính số mol của 3,1 lít khí CO ( ở đkc) b) tính số mol HCL có trong 300g dung dịch HCL 20%

c) tính số mol H2SO4 có trong 100ml dung dịch H2SO4 0.3M

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Which other elements contain the same number of outer electrons as sodium

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements