Question

an element has the following characteristics. • ductile • malleable • used in fireworks and medicines • solid at room temperature • forms a positive ion in compounds which element is best described with these characteristics? a. carbon b. francium c. magnesium d. phosphorus

Explanation:

1. Ductility and malleability are properties of metals. Carbon and phosphorus are non - metals and do not have these properties.
2. Francium is a highly radioactive element and is not commonly used in fireworks and medicines.
3. Magnesium is a metal, solid at room temperature, ductile, malleable, used in fireworks (produces a bright white light) and some medicines, and forms positive ions in compounds.

Answer:

C. magnesium