bad conducters or poor conduct of heat and light energy
Nonmetals such as sulfur, phosphorus, and iodine are unable to conduct electricity because they lack free-moving electrons in their atomic structure. This results in these nonmetals being poor conductors of electricity.
Most nonmetals do not have electrical conductivity because they lack the free electrons required to conduct electricity. However, some nonmetals like graphite and silicon can conduct electricity to some extent due to their unique structures.
Water
yes
no
Metals generally are good conductors of electricity, and nonmetals are not.
Compounds formed from nonmetals do not conduct electricity because nonmetals typically do not have free-moving electrons that can carry an electric current. In these compounds, the electrons are held tightly by the atoms, preventing them from moving freely to conduct electricity.
nonmetals
Insulators are typically nonmetals because they have high electrical resistance and do not conduct electricity well. Metals are good conductors of electricity, while metalloids have properties that are intermediate between metals and nonmetals.
Metals are generally good conductors of electricity due to their free electrons that can move freely within the material. Nonmetals are poor conductors of electricity because they lack free electrons for efficient conduction.
metals can conduct electricity, the valence electrons of nonmetals cannot roam freely
The group of elements that do not conduct electricity are generally called non metals.