Fill in the table “Comparison of organic and inorganic compounds”

Comparison of organic and inorganic compounds.

Comparison indicator – Substances: inorganic – organic
The number of known substances is 100 thousand – 18 million;
Elemental composition of substances – periodic table – C and H;
Chemical bond type – covalent – covalent;
The type of the crystal lattice is kov. ion, molecule-covalent – molecular;
Physical properties – most compounds do not burn, solid substances, melt at high temperatures – combustible, usually gases, liquids, the melting point is low;
Combustion products in oxygen – water – carbon dioxide.