A metalloid is an element with properties between metals and non metals or the mix of both.

The six metalloids are arsenic, silicon, germanium, boron, antimony and tellurium.

Hence, silicon is the only metalloid in the given list.

Violet colour has the highest energy. The higher the frequency, the faster the oscillations and thus the higher the energy. Therefore, the highest-frequency ultra-violet light or the lowest wavelength is violet.

The credit of inventing the television goes to Philo Farnsworth.

In the OSI model of computer networking, a frame is the protocol data unit at the data link layer. Frames are the result of the final layer of encapsulation before the data is transmitted over the physical layer.

A single packet on a data link is known as Frame.

The social security is a welfare plan and an insurance company that regulates the benefits for survivors of deceased workers, disabled workers, retirees and death as well as survivorship benefits.

By seeing the color of the nose we can determine the age of lions.