PH3 forms a trigonal pyramid ClO4- forms a perfectly regular trigonal pyramid, known as a tetrahedron BeCl2 ~APEX
BeCl2
It has a linear shape
ClO4 is polar.
The formula is ClO4-
This is a linear molecule.
linear
Linear
The shape of CS2 is considered linear. This is because both sulfur molecules are attached to the one carbon molecule using double bonds in a straight line.
geometric shape.
F2 has a linear shape.
linear