Which of the Following Statements Concerning Hybrid Orbitals Is/are CORRECT

Multiple Choice

Which of the following statements concerning hybrid orbitals is/are CORRECT?
1) The number of hybrid orbitals equals the number of atomic orbitals that are used to create the hybrids.
2) When atomic orbitals are hybridized,the s orbital and at least one p orbital are always hybridized.
3) To create tetrahedral structures,the s orbital and all three p orbitals must be hybridized.

A) 1 only
B) 2 only
C) 3 only
D) 2 and 3
E) 1,2,and 3