An element is highly conductive, highly reactive, soft, and lustrous. The element most likely belongs to which group?(1 point)
Responses
alkali metals
alkali metals
transition metals
transition metals
metalloids
metalloids
noble gases
alkali metals
How does mercury differ from other metals?(1 point)
Responses
It is not solid under normal conditions.
It is not solid under normal conditions.
It does not chemically react with other elements.
It does not chemically react with other elements.
It is not lustrous.
It is not lustrous.
It does not conduct electricity.
It is not solid under normal conditions.
Which statement describes the properties of lanthanoids and actinoids?(1 point)
Responses
They are brittle and dull, and they tend to conduct both electricity and thermal energy.
They are brittle and dull, and they tend to conduct both electricity and thermal energy.
They are brittle and dull, and they tend to be poor conductors of both electricity and thermal energy.
They are brittle and dull, and they tend to be poor conductors of both electricity and thermal energy.
They are malleable and lustrous, and they tend to be poor conductors of both electricity and thermal energy.
They are malleable and lustrous, and they tend to be poor conductors of both electricity and thermal energy.
They are malleable and lustrous, and they tend to conduct both electricity and thermal energy.
They are malleable and lustrous, and they tend to conduct both electricity and thermal energy.
The element described, being highly conductive, highly reactive, soft, and lustrous, most likely belongs to the group of alkali metals.
To determine the group to which an element belongs based on its characteristics, we can refer to the periodic table. The element described in this question is highly conductive, highly reactive, soft, and lustrous.
First, let's identify the groups that are conductive, reactive, and lustrous:
1. Alkali metals: Alkali metals are highly conductive and reactive but are not typically described as soft or lustrous.
2. Transition metals: Transition metals are conductive, often lustrous, and can have varying reactivity.
3. Metalloids: Metalloids have properties that are intermediate between metals and nonmetals. They are typically not highly conductive or reactive.
4. Noble gases: Noble gases are typically not lustrous, conductive, or reactive.
Given these characteristics, the most likely group for an element that is highly conductive, highly reactive, soft, and lustrous is the alkali metals.