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(1) Both boron and silicon are typical non-metals, having high m.pt. b.pt nearly same densities (B=2.35gml-1 S=2.34 g//ml). low atomic volumes and bad conductor of current. However both are used as semiconductors.

(2) Both of them do not form cation and form only covalent compounds.

(3) Both exists in amorphous and crystalline state and exhibit allotropy.

(4) Both possess closer electronegativity values (B=2.0; Si=1.8).

(5) Both form numerous volatile hydrides which spontaneously catch fire on exposure to air and are easily hydrolysed.

(6) The chlorides of both are liquid, fume in most air and readily hydrolysed by water.

BCl3 + 3H2O → B(OH)3 + 3HCl

SiCl4 + H2O → Si(OH)4 + 4HCl

(7) Both form weak acids like H3BO3 and H2SiO3.

(8) Both form binary compounds with several metals to give borides and silicide. These borides and silicide react with H3PO4 to give mixture of boranes and silanes.

3Mg+2B → Mg3B2; Mg3B2 + H3PO4 → Mixture of boranes

(Magnesium boride)

2Mg + Si → Mg2Si ; Mg2Si + H3PO4 → Mixture of silanes

(magnesium silicide)

(9) The carbides of both Boron and silicon (B4C and SiC) are very hard and used as abrasive.

(10) Oxides of both are acidic and can be reduced by limited amount of Mg In excess of Mg boride and silicide are formed.

B2O3 + 3Mg → 3MgO + 2B ; SiO2 + 2Mg → 2MgO + Si

(11) Both the metals and their oxides are readily soluble in alkalies.

2B + 6NaOH → 2Na3BO3 + 3H2

(borate)

Si + 2NaOH + H2O → Na2SiO3 + 2H2

(silicate)

B2O3 + 6NaOH → 2Na3BO3 + 3H2O

SiO2 + 2NaOH → Na2SiO3 + H2O

Both borates and silicates have tetrahedral structural units and respectively. Boro silicates are known in which boron replaces silicon in the three dimensional lattice. Boron can however form planar BO3 units.

(12) Acids of both these elements form volatile esters on heating with alcohol in presence of conc. H2SO4.

B(OH)3 + 3ROH → B(OR)3 + 3H2O

Si(OH)4 + 4ROH → Si(OR)4 + 4H2O

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6mo ago

No, boron and silicon do not have a diagonal relationship. Diagonal relationships typically occur between elements in the same group but in different periods of the Periodic Table. Boron is in Group 13 and period 2, while silicon is in Group 14 and period 3, so they are not in the same group or period for a diagonal relationship.

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Q: Do boron and silicon have a diagonal relationship?
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Are boron and silicon in the same group?

No, boron and silicon are not in the same group on the periodic table. Boron belongs to group 13, while silicon belongs to group 14.


What is diagonal relation between boron and aluminium?

Boron and aluminum have a diagonal relationship due to their similar ionic radii and charge densities. This similarity can result in these elements showing similar properties and forming compounds with similar structures. However, despite this relationship, boron and aluminum are not considered true analogs as they belong to different groups on the periodic table.


Are boron and silicon in the same period?

No, boron is in period 2, while silicon is in period 3 on the periodic table. They are both metalloids, but they are in different periods.


What do boron silicon and arsenic have in common Use the partial Periodic Table for reference?

Boron, silicon, and arsenic are all members of Group 15 of the periodic table, also known as the nitrogen group. They are nonmetals (boron is a metalloid) with varying properties. Boron is the first element in the group, silicon is a metalloid with semiconducting properties, and arsenic is a metalloid with some similarities to a metal.


What is eka boron and eka silicon?

"Eka boron" and "eka silicon" are placeholder names given to hypothetical elements predicted by Dmitri Mendeleev in his periodic table before their actual discovery. Eka boron is now known as Scandium, while eka silicon is now known as Germanium.

Related questions

Are boron and silicon in the same group?

No, boron and silicon are not in the same group on the periodic table. Boron belongs to group 13, while silicon belongs to group 14.


What is diagonal relation between boron and aluminium?

Boron and aluminum have a diagonal relationship due to their similar ionic radii and charge densities. This similarity can result in these elements showing similar properties and forming compounds with similar structures. However, despite this relationship, boron and aluminum are not considered true analogs as they belong to different groups on the periodic table.


Are boron and silicon in the same period?

No, boron is in period 2, while silicon is in period 3 on the periodic table. They are both metalloids, but they are in different periods.


Where are the metaloids located at on the peroidic table?

Metalloids are located in a diagonal line between the metals and nonmetals on the periodic table. They include elements such as boron, silicon, germanium, arsenic, antimony, and tellurium. Metalloids exhibit properties of both metals and nonmetals.


What do boron silicon and arsenic have in common Use the partial Periodic Table for reference?

Boron, silicon, and arsenic are all members of Group 15 of the periodic table, also known as the nitrogen group. They are nonmetals (boron is a metalloid) with varying properties. Boron is the first element in the group, silicon is a metalloid with semiconducting properties, and arsenic is a metalloid with some similarities to a metal.


Names of semi metals?

Boron Silicon Germanium.


What is eka boron and eka silicon?

"Eka boron" and "eka silicon" are placeholder names given to hypothetical elements predicted by Dmitri Mendeleev in his periodic table before their actual discovery. Eka boron is now known as Scandium, while eka silicon is now known as Germanium.


What are the 7 metaloids?

The seven metalloids are boron, silicon, germanium, arsenic, antimony, tellurium, and polonium. Metalloids have properties that are intermediate between metals and nonmetals, making them important for various applications in semiconductor technology.


What type of metal is used in solar panel?

silicon and boron


What is a sentence using metalloid?

Alumium, Boron, etc. are examples of mettaloids.(;


What are three semi metals?

Boron (B), Silicon (Si) and Arsenic (As) are all metalliods.


What are some not metals that are solids?

iodine, carbon, boron, silicon, and there is more