How does silicon have similar properties as Al and P?

How does silicon have similar properties as Al and P?
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Which of the following exercises most powerful influence on the mechanical properties of steel? (A) Manganese (B) Carbon (C) Phosphorous (D) Silicon

Description : Which of the following exercises most powerful influence on the mechanical properties of steel? (A) Manganese (B) Carbon (C) Phosphorous (D) Silicon

Last Answer : (B) Carbon

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of (A) Tungsten (B) Vanadium (C) Silicon (D) All (A), (B) & (C)

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Give reason: Even though silicon is a non-metal it resembles metals in its properties.

Description : Give reason: Even though silicon is a non-metal it resembles metals in its properties.

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Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

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Description : Explain different engineering properties of silicon carbide. Also discuss its uses.

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Last Answer : Refining process of impure metals depends upon the differences in properties of the metal. ... . leaching C. liquation D. magnetic seperation

Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

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Can a silicon nucleus `(._(14)^(31)Si)` transfrom into a phosphorus nucleus `(._(15)^(31)P)` ? What particle would be emitted in the process ? What is

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Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to

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When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus `._(15)^(30)P` with the emission of …. Is formed

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The total agricultural land in a village is 1200 hectares. This is distributed among 320 families who form four groups in the following pattern. It is assumed that the land is distributed equally within each group. Identify the group of small farmers. Gr ou p Num ber of Tot al am ou nt of land Fam i l i es ow ned and oper at ed by each gr oup (i n hect ar es) A 100 300 B 180 300 C 30 300 D 10 300 (1) A (2) B (3) C (4) D

Description : The total agricultural land in a village is 1200 hectares. This is distributed among 320 families who form four groups in the following pattern. It is assumed that the land is distributed equally within each group. Identify the group of small ... B 180 300 C 30 300 D 10 300 (1) A (2) B (3) C (4) D

Last Answer : B 180 300

a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

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Last Answer : (a) The repetition of same properties after definite interval is called periodicity in properties. (b) It is because they have same valence electrons therefore, have similar properties. (c) ... to right in a period because atomic size goes on decreasing and effective nuclear charge increases.

Why the elements belonging to the same group do have similar chemical properties ?

Description : Why the elements belonging to the same group do have similar chemical properties ?

Last Answer : Why the elements belonging to the same group do have similar chemical properties?

Which of the following pair of elements has similar properties ?

Description : Which of the following pair of elements has similar properties ?

Last Answer : Which of the following pair of elements has similar properties? a. 13, 31 b. 11, 20 c. 12, 10 d. 21, 33

What element has similar chemical properties to phosphorus?

Description : What element has similar chemical properties to phosphorus?

Last Answer : Need answer

What elements have similar properties with krypton?

Description : What elements have similar properties with krypton?

Last Answer : What is the answer ?

Magnesium and calcium are in the same group on the periodic table. Which sentence best explains why they have similar properties?

Description : Magnesium and calcium are in the same group on the periodic table. Which sentence best explains why they have similar properties?

Last Answer : C. They both have two......

Isoenzymes are (A) Chemically, immunologically and electrophoretically different forms of an enzyme (B) Different forms of an enzyme similar in all properties (C) Catalysing different reactions (D) Having the same quaternary structures like the enzymes

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Last Answer : Answer : A

The cause of periodicity of properties (a) Increasing atomic radius (b) Increasing atomic weights (c) Number of electrons in the valency orbit (d) The recurrence of similar outer electronic configuration

Description : The cause of periodicity of properties (a) Increasing atomic radius (b) Increasing atomic weights (c) Number of electrons in the valency orbit (d) The recurrence of similar outer electronic configuration

Last Answer : Ans:(d)

In 1866, John Newlands, an English scientist, arranged the then known elements in the order of increasing atomic masses. He found that every eighth element had properties similar to that of the first. He called it the - (1) Law of Pentamates (2) Law of musical notes (3) Law of Octaves (4) None of the above

Description : In 1866, John Newlands, an English scientist, arranged the then known elements in the order of increasing atomic masses. He found that every eighth element had properties similar to that of the first. He called it ... of Pentamates (2) Law of musical notes (3) Law of Octaves (4) None of the above

Last Answer : (3) Law of Octaves Explanation: Newlands compared his discovery to the octaves found in music and thus, he called it the ‘Law of Octaves’. It is also known as ‘Newlands’ Law of Octaves’.

An arrangement of elements with similar properties placed together is called?

Description : An arrangement of elements with similar properties placed together is called?

Last Answer : Periodic Table

Why do Zr and Hf show similar properties ?

Description : Why do Zr and Hf show similar properties ?

Last Answer :  Ans It is due to similar ionic size which due to lanthanide contraction . 

According to Newland’s classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the

Description : According to Newland’s classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the

Last Answer : eighth element starting from oxygen

X and Y are the two elements having similar properties which obey Newland’s law of octaves. How many elements are there in-between X and Y?

Description : X and Y are the two elements having similar properties which obey Newland’s law of octaves. How many elements are there in-between X and Y?

Last Answer : There are 6 elements between X and Y

The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the average atomic mass of elements X and Z compare with the atomic mass of element Y? c) Which law of classification of elements is illustrated by this example? d) Give another example of a set of elements which are classified according to this law.

Description : The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the ... this example? d) Give another example of a set of elements which are classified according to this law.

Last Answer : a) The average atomic mass of X and Z = 7 39 2 46 2 23 b) The average atomic mass of X and Z is equal to the atomic mass of Y c) The law illustrated in this example is Dobereiner’s law of triads. d) Another example of Dobereiner’s law is Calcium, Strontium and Barium.

Law of octaves says that if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of elements

Description : Law of octaves says that if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of elements

Last Answer : 7

The four properties of a system viz. P, V, T, S are related by __________ equation. (A) Gibbs-Duhem (B) Gibbs-Helmholtz (C) Maxwell's (D) None of these

Description : The four properties of a system viz. P, V, T, S are related by __________ equation. (A) Gibbs-Duhem (B) Gibbs-Helmholtz (C) Maxwell's (D) None of these

Last Answer : (C) Maxwell's