The table shows columns that Brenda uses for her notes on the properties of elements. Her notes state that some elements can react to form basic compounds. Where should Brenda place this property in her table?
only in the column for metalloids
.
Where should Brenda Place property her table?
The table shows columns that Brenda uses for her notes on the properties of elements. Her notes state that some elements can react to form basic compounds. Where should Brenda place this property in her table?
only in the column for metalloids
.
What is a property that is unique to metalloids?
Metalloids are unique because
they have properties of both metals and non-metals
. For example, boron acts as a nonmetal when it reacts with sodium, but it acts as a metal when it reacts with fluorine. Most metals have a characteristic lustre and are good conductors of heat and electricity.
Which property do metalloids share with nonmetals?
Both are brittle
.
Metalloids share many similar properties including:
They appear to be metal in appearance, but are brittle
. They can generally form alloys with metals. Some metalloids such as silicon and germanium become electrical conductors under special conditions.
Which lists the elements in order from most conductive?
Explanation: most conductive –
potassium (K)
. least conductive- germanium(Ge).
Which properties make a metal a good material to use for electrical wires?
Two strong characteristics of metals are
the conductivity and ductility
that make metals great materials for the production of electrical wires. Conductivity: Metals are great conductors of electricity and, because of this property, are widely used in electrical wires.
What are 3 characteristics of metalloids?
- Metalloids have a solid state of matter.
- In general, metalloids have a metallic luster. Metalloids have low elasticity, they are very brittle.
- Middleweights are semi-conducted elements, and they allow leave the average transmission of heat.
What properties do Semimetals have?
Properties. Metalloids usually look like metals but behave largely like nonmetals. Physically, they are
shiny, brittle solids with intermediate to relatively good electrical conductivity
and the electronic band structure of a semimetal or semiconductor.
What is the most useful property of Semimetals?
What are three uses of metalloids? The most useful property of the metalloids is
their varying ability to conduct electricity
.
Which element is most likely to shine?
Hence
Calcium
will exhibit lustrous properties than other elements. That is, calcium is likely to be shiny.
Is there any metal which doesn’t conduct electricity if yes give example?
It’s usually mixed with metals, like lead, tin, iron. … Bismuth is the diamagnetic of all metals and therefore the thermal conductivity is lower than any metal except mercury.
What is another name for metalloids?
Metalloids can also be called
semimetals
. On the periodic table, the elements colored yellow, which generally border the stair-step line, are considered to be metalloids.
What do metalloids act like at high temperatures?
Physical Properties of Metalloids
They fall between metals and nonmetals in their ability to conduct heat, and if they
can conduct electricity
, they usually can do so only at higher temperatures. Metalloids that can conduct electricity at higher temperatures are called semiconductors.
Are most metalloids radioactive?
All are radioactive
. Metalloids: The metalloids are boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po).
How do you identify a metalloid?
The metals are to the left of the line (except for hydrogen, which is a nonmetal), the nonmetals are to the right of the line, and
the elements immediately adjacent to the line
are the metalloids.
