GED Science TestPhysical ScienceMedium
A scientist is investigating the properties of a newly discovered element. They observe that this element readily forms ionic bonds with nonmetals, is an excellent conductor of electricity and heat, and is malleable. Based on these properties, the new element is most likely classified as a:
- ANonmetal
- BMetal
- CNoble gas
- DMetalloid
Show answer & explanationAnswer & explanation
Correct answer: B. Metal
Metals are characterized by their ability to lose electrons to form ionic bonds (especially with nonmetals), high electrical and thermal conductivity, and malleability (can be hammered into sheets).
Why the other options are wrong
- A. Nonmetals typically gain electrons, are poor conductors, and are brittle, not malleable.
- C. Noble gases are unreactive, gaseous, and do not readily form bonds.
- D. Metalloids have properties intermediate between metals and nonmetals, and while some conduct, they are not typically 'excellent' conductors or as malleable as metals.
Metals (Properties)
Elements generally found on the left side of the periodic table, characterized by specific physical and chemical properties.
- Good conductors of heat and electricity.
- Malleable (can be hammered into sheets) and ductile (can be drawn into wires).
- Lustrous (shiny).
- Tend to lose electrons to form positive ions (cations) in chemical reactions.
- Typically form ionic bonds with nonmetals.
Memory trick: Metals Make, Nonmetals Not, Metalloids Mix.