In general, the boiling points of compounds down a group in the periodic table. The melting points and boiling points increasefor the hydrogen compounds of group 6A elements are in the table below.

	Melting Point (°C)	Boiling Point (°C)
H2O	0.0	100.0
H2S	–82.0	–60.0
H2Se	–65.7	–41.2
H2Te	–49.0	–2.2

Use your understanding of chemistry to propose an explanation for the anomaly in the trend for the hydrogen compounds of group 6A elements shown in the table.