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Why are silicon and germanium described as semi-metals?
Silicon and germanium are described as semi-metals because they exhibit properties of both metals and nonmetals. They can conduct electricity like metals but are not as efficient as true metals. They also have some nonmetallic characteristics such as brittle structure and lower conductivity compared to true metals.
What statement about metals true?
Metals are typically shiny, malleable, and good conductors of electricity.
True or false most elements are nonmetal?
Most elements are metals.
What is the metallic character of boron?
Boron is a metalloid, meaning it displays some characteristics of metals but also nonmetals. It is less metallic compared to true metals like iron or copper, as it has properties of both metals and nonmetals.
Is most metals reactive.?
Most metals are reactive to some extent, but their reactivity varies. Some metals, such as gold and platinum, are less reactive and do not easily tarnish or corrode. Other metals, like sodium and potassium, are highly reactive and must be stored in oil to prevent them from reacting with moisture in the air.
Is it true that transition metals are less reactive than the metals in group one and two of the periodic table?
True
If metals loose electrons to non metals are metals now anions?
No, it is not true. When metals loose electrons they become cations.
Are most of the element metals?
Quite true, the grerat majority of elements are metals.
Is it true that most good thermal metals are conductors?
Yes, it is true.
Is it true that alkali metals are never found as uncombined elements?
true
Is it Metalloids have some characteristics of both metals and nonmetals true or false?
True. Metalloids look like metals but are brittle and are not good conductors.
Why are silicon and germanium described as semi-metals?
Silicon and germanium are described as semi-metals because they exhibit properties of both metals and nonmetals. They can conduct electricity like metals but are not as efficient as true metals. They also have some nonmetallic characteristics such as brittle structure and lower conductivity compared to true metals.
What statement about metals true?
Metals are typically shiny, malleable, and good conductors of electricity.
Is fluorine Chlorine and bromine metals?
true
Roasting is a proces in which metal sulfides are converted to metals true or false?
True
Compared to water most metals have low specific heats.?
true
IS metals such as manganese are examples of living resources obtained from the ocean true or false?
True.
