The correct global electron configuration of the anion 9 F -1 corresponds to: A) 1s 2 2s 2 3p 6 B) 1s 2 2s 2 2p 6 C) 1s 2 2s 3 2p 5 D) 1s 1 2p 6 3p 2

What are the similarities of physical and chemical change ?

Compounds a and b react to form compounds c and d according to the equation: aa + bb → cc + dd. under which conditions will the rate law be given by the equation: rate = k[a]a[b]b? a. the reaction takes place in one step. b. the reaction is endothermic. c. the reaction is exothermic. d. the reaction involves more than one step.

Iv the concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point الم" الا به done رلرلرللللہ و و او 8