What is the similarity in these metal compounds?

What is the similarity in these organic compounds? like butane,propane ,hexane,methane

What is the similarity in the electronic configuration of Mg Ca and Sr ?

What is the similarity in the properties of beryllium and aluminium? Write the reasons for the similarity.

What are the similarities among them?

Observe the table: What is the similarity in plant reproduction in the above table.

What is a compound?

Discuss the colour of the transition metal compounds with suitable examples.

The non-metal that usually occupies tetrahedral voids in the formation of interstetial compounds

What is the major source of metals?