Predict the molecular geometry for each. Match the words in the left column to the appropriate blanks in the sentences on the right. ResetHelp T-shaped square pyramidal tetrahedral linear trigonal bipyramidal seesaw square planar trigonal pyramidal octahedral bent trigonal planar The molecule BrO2− has a(n) The molecule B r O 2 − has a(n) blank molecular geometry. molecular geometry. The molecule ClO3− has a(n) The molecule C l O 3 − has a(n) blank molecular geometry. molecular geometry. The molecule CH3+ has a(n) The molecule C H 3 + has a(n) blank molecular geometry. molecular geometry. The molecule BrF3 has a(n) The molecule B r F 3 has a(n) blank molecular geometry. molecular geometry. The molecule XeF2 has a(n) linearThe molecule X e F 2 has a(n) blank molecular geometry. molecular geometry. The molecule AsF3 has a(n) The molecule A s F 3 has a(n) blank molecular geometry. molecular geometry.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

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a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.