What Are Metalloids.

Title:-What Are Metalloids.


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Metalloids, also known as semi metals, are a unique class of elements that exhibit features of both metals and non-metals. They are located on the periodic table between the metals and non-metals, forming a diagonal line from boron (B) to polonium (Po). In this article, I will take a closer look at What Are Metalloids and what makes them unique.

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Characteristics of Metalloids:-

The term metalloid was first introduced by French chemist, Antoine Lavoisier in 1789. Metalloids are unique because they possess some of the properties of metals, such as they are able to conduct electricity and heat, while also exhibiting characteristics of non-metals, such as they are brittle and not malleable. The properties of metalloids vary depending on their position in the periodic table.

The following are some of the typical characteristics of metalloids:

1 Physical Appearance: Metalloids share some physical characteristics of both metals and non-metals like solids that have a shiny metallic luster, except for carbon which is a non-metal as well as a metalloid, which is often found in the form of graphite.
2. Conductivity: Metalloids have different degrees of conductivity, but most have intermediate values. They can conduct electricity under certain conditions but not as efficiently as metals.
3. Melting and Boiling Points: Metalloids have intermediate melting and boiling points compared to metals and nonmetals. This is because they have partially filled, intermediate energy level in their atomic structure.
4. Chemical Reactivity: Metalloids have varying degrees of reactivity. This characteristic depends on the specific element.

Name of Metalloids:-

Metalloids are found all around us and are considered essential elements for many applications. The metalloids of the periodic table are:-

Boron (B): Boron is the first and smallest metalloid on the periodic table. The atomic number of boron is 5; so the electronic configuration of boron is 2,3 ;It is neither a metal nor a nonmetal and is classified as a semiconductor. Boron is a critical element for plant growth and is commonly found in nature as borax, boric acid or colemanite. The unique characteristics of boron make it an ideal material for use in insulation, ceramics, and semiconductors.

Silicon (Si): Silicon is the second most abundant element on earth after oxygen, and is a fundamental component of digital electronics. The atomic number of silicon is 14 ; and the electronic configuration of silicon is 2,8,4 ; It is widely used in computer chips and is known for being a good semiconductor. Silicon is an essential component of advanced technology, making it one of the most critical elements of the modern age.

What Are Metalloids.

Germanium (Ge): Germanium is a shiny, grayish-white metalloid that is used in infrared technology and is used in solar cells.The atomic number of germanium is 32 and he electronic configuration of germanium is 2,8,18,4; It is a good semiconductor and has revolutionized the field of electronics.

Arsenic (As): Arsenic is a highly toxic metalloid that can be found in nature.The atomic number of arsenic is 33 and the electronic configuration of arsenic is 2,8,18,5; It is a vital component in the production of pesticides, as well as preserving wood. Arsenic is also used in electronic devices, such as solar cells.

What Are Metalloids.

Antimony (Sb): Antimony is a brittle, silver-grey metalloid that is not found naturally but is usually extracted from other minerals. The atomic number of antimony is 51 and the electronic configuration of antimony is 2,8,18,18,5; It is often used in batteries, and semiconductors, and in flame-proof and heat-resistant materials.
Tellurium (Te): Tellurium is a brittle, silver-white metalloid that has a high conductivity. The atomic number of tellurium is 52 and the electronic configuration of tellurium is 2,8,18,18,6 ;It is used in the production of solar panels, and is critical for the production of alloys, ceramics, and electronic materials.
Polonium (Po): Polonium is an extremely rare radioactive metalloid.The atomic number of polonium is 84 and the electronic configuration of polonium is 2,8,18,32,18,6; It is very toxic and can be lethal when ingested. Polonium is only useful in very specific applications such as alpha radiation sources in nuclear reactors.

Applications of Metalloids

The unique features of metalloids make them useful in different applications. Here are some examples:
1. Electronics: Silicon is a famous example of a useful metalloid in the field of electronics. It is used to create the semiconductors that power our computers, cell phones, and other electronic devices. Other metalloids, like germanium and arsenic, are also used in semiconductor technology.
2. Medicine: Trace amounts of arsenic are widely used in the pharmaceutical industry to treat certain diseases and conditions.
3. Ceramics: Boron is used extensively in the production of ceramic products in various industries.
4. Energy: Tellurium is used in the production of solar panels, while boron and silicon are used in the shielding of nuclear reactors.
5. Agriculture: Boron is an essential element for plant growth and is often used as a fertilizer.


In the last we can say that we have something learnt about What Are Metalloids.Actually Metalloids are a unique class of elements in the periodic table that exhibit characteristics of both metals and nonmetals. They possess a range of unique physical, electrical, and chemical properties that make them useful in various applications. The most commonly known metalloid is silicon, which is critical to the production of electronic devices. However, other elements like arsenic, antimony and boron are also essential elements in industries like agriculture, medicine, and nuclear energy. Despite the relatively small number of metalloids on the periodic table, their properties ........

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(i).What is metalloids short answer?


Answer:The elements which exhibit both the characteristics of metals as well as non metals are known as metalloids.

(ii).What is metalloids in science?


Answer:In science metalloids are the intermediate elements between metals and non metals which show both the characters of metals and non metals.

(iii).How many metalloids are there?


Answer:Still today there are 7 metalloids have been discovered and they are :-Boron (B),Silicon (Si),Germanium (Ge),Arsenic (As),Antimony (Sb),Tellurium (Te),Polonium (Po)

(iv).How are metalloids classified?


Answer:Metalloids are classified in 7 types and they are :-Boron (B),Silicon (Si),Germanium (Ge),Arsenic (As),Antimony (Sb),Tellurium (Te),Polonium (Po)

(v).What is the area of hollow cylinder?


Answer:The area of hollow cylinder can be given = 2Ο€(R + r)h + 2 Ο€ (R² - r²) where,

R = External radius of the hollow cylinder

= Internal radius of the hollow cylinder.

and h = height of the hollow cylinder.


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