is a semi-metal
The element that is a good conductor that begins with the letter S is Selenium. Another choice could be Scandium.
Gold.
At standard temperature and pressure (STP), the element that is malleable and a good conductor of electricity is copper.
Samarium is a good conductor for heat and electricity.
Copper
One example of an element that is not a good conductor and a good insulator is sulfur. Sulfur is a non-metallic element that is a poor conductor of electricity due to its lack of free electrons for easy electron flow. However, sulfur is a good insulator because its atoms are tightly bonded together, making it difficult for electricity to pass through.
Silicon is an element that falls in between being a good conductor and a good insulator. It is a semiconductor which means its conductivity can be modified by introducing impurities or applying an electric field.
ice
Gold.
The element that is shiny and a good conductor of heat and electricity is copper. Copper is widely used in electrical wiring, electronics, and plumbing due to its excellent conductivity properties.
Examples of very good conductors are: gold, silver, copper, aluminium, etc.
a metal