Examlex
Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-BF3
Lymph
A clear fluid that circulates through the lymphatic system, carrying cells that help fight infection and disease.
Bean-Shaped
Descriptive term typically used to describe the shape of organs or structures, notably the kidneys.
Lymphatic Organs
Organs, including the lymph nodes, spleen, and thymus, that are part of the immune system, helping to filter pathogens and produce white blood cells.
Lymph Nodes
Small, bean-shaped structures that are part of the lymphatic system, helping the body fight infections and other diseases.
Q14: carbon tetrabromide<br>A)hydrogen bonding<br>B)London forces<br>C)network covalent bonding<br>D)metallic
Q20: CH?-<br>A)bent<br>B)trigonal planar<br>C)linear<br>D)pyramidal<br>E)tetrahedral
Q41: ethylene, C?H?<br>A)105°<br>B)107°<br>C)120°<br>D)118°<br>E)109.5°<br>F)180°
Q45: Water, H₂O and hydrogen peroxide, H₂O₂, have
Q52: Which of the following compounds will be
Q54: Al<br>A)(+4 or -4)<br>B)(0)<br>C)(-2)<br>D)(+1)<br>E)(+2)<br>F)(-3)<br>G)(+3)<br>H)(-1)
Q59: Which sulfate is insoluble in water?<br>A) ammonium
Q80: sulfur trioxide<br>A)linear<br>B)trigonal plamar<br>C)tetrahedral<br>D)bent<br>E)trigonal planar<br>F)pyramidal
Q109: The reaction was performed in the lab
Q191: Which of the following polyatomic ions is