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
metalloids
metalloids
noble gases
noble gases
transition metals
9 answers
alkali metals
How does mercury differ from other metals?(1 point)
Responses
It is not lustrous.
It is not lustrous.
It does not conduct electricity.
It does not conduct electricity.
It is not solid under normal conditions.
It is not solid under normal conditions.
It does not chemically react with other elements.
Responses
It is not lustrous.
It is not lustrous.
It does not conduct electricity.
It does not conduct electricity.
It is not solid under normal conditions.
It is not solid under normal conditions.
It does not chemically react with other elements.
It is not solid under normal conditions.
Based on patterns in the periodic table, which element is the least malleable in its solid state?
(1 point)
Responses
copper (Cu)
copper (Cu)
phosphorus (P)
phosphorus (P)
strontium (Sr)
strontium (Sr)
antimony (Sb)
(1 point)
Responses
copper (Cu)
copper (Cu)
phosphorus (P)
phosphorus (P)
strontium (Sr)
strontium (Sr)
antimony (Sb)
Phosphorus (P)
In which group of elements does tellurium (Te) belong?
(1 point)
Responses
lanthanides
lanthanides
alkali metals
alkali metals
transition metals
transition metals
metalloids
(1 point)
Responses
lanthanides
lanthanides
alkali metals
alkali metals
transition metals
transition metals
metalloids
Metalloids
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 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.
They are brittle and dull, and they tend to be poor conductors of both electricity and thermal energy.
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 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.
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.
1 answer