1. What is the molecular geometry of \(\text{BrF}_4^-\)?(A)tetrahedral(B)square pyramidal(C)square planar(D)seesaw

10. Which of the following statements is false?(A)For monoelectron atom, the 4s orbital lies lower in energy than the 5s orbital.(B)For a potassium atom, a 4s orbital, a 4p orbital, and a 4d orbital all have the same energy.(C)For a hydrogen atom, a 4s orbital, a 4p orbital, and a 4d orbital all have the same energy.(D)The 4s orbital lies lower in energy than the 3d orbital for atoms K, Ca, Sc, and Ti.

1. What is the molecular geometry of \(\text{BrF}_4^-\)?

(A)tetrahedral

(B)square pyramidal

(C)square planar

(D)seesaw

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