Yes, s and p orbitals can absolutely form sigma bond, as long at the p orbital is facing directly with it's lobe toward the spherical S orbital. This picture will help you better understand the orientation (look at the middle figure in the related link). If the p orbital is not facing this way "into" the s orbitals then there will be no sigma bond or any bond what so ever.
Formation of Covalent Bond.
In methyl cation (CH3+), there are three sigma bond orbitals available for overlap with the vacant p orbital. These sigma bond orbitals originate from the three C-H bonds in the methyl group.
One that I can think of off the top of my head is Adenosine Triphosphate or ATP. It is the molecule that supplies almost all of your energy in the last covalent bond in the structure. It has three phosphates at the end of it, so imagine...(Rest of molecule)-P-P-P^all the energy is stored here in that bond. When the bond breaks, it releases energy, then forming ADP, or Adenosine Diphosphate.
A sigma bond is the end-to-end overlap of the bonding orbitals, usually hybrid orbitals. The sigma bond is a single bond. A pi bond is the side-to-side overlap of unhybridized p-orbitals. A pi bond, along with a sigma bond form a double bond. sigma bond is used in hybridization but pi bond when dealing with saturated molecules is not used,that is double bonds.The oygen molecule is sp hybridized have you ever reasoned or found out why.
the f-p-f bond angle is 120the cl -p-cl bond angle is 180and the f - p - cl bond angle is 90
A p bond is the result of the sideways overlap of two parallel p orbitals.
60°
p-br
A+ ionic bond
pi bond
If it is non polar, the bond angles are as follows:I-P-I bond angles: 120ºBr-P-Br bond angles: 180ºI-P-Br bond angles: 90º
polar covalent bond is formed between these two atoms
The bond between P and H is covalent, eg in PH3
Among s-s,s-p,p-p sigma P-P is strong enough because of greater overlapping.The bond strengths for sigma S-S is 1.0 ,for sigma S-P is 1.71 and for sigma P-P is 3.0. so sigma P-P is stronger it means that it is more stable. But many books they have given that s-s overlapping is more than p-p overlapping .This is not true because due spherical shape of the s orbital the charge is symmetrically distributed and also small size there will not effective overlapping of orbitals as P-P overlapping .So P-P bond is stronger than S-S bond.
180
overlapping that occurs along the orbital axis of 2 atomic orbitals is known as linear overlapping and these orbitals are called sigma atomic orbitals therefore these bonds are known as sigma bonds