An element with atomic number 36 belongs to the (a) s-block (b) p-block (c) d-block (d) f-block

An element with atomic number 36 belongs to the (a) s-block (b) p-block (c) d-block (d) f-block
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An element of atomic no. 29 belongs to (1) s-block (2) d-block (3) p-block (4) f-block

Description : An element of atomic no. 29 belongs to (1) s-block (2) d-block (3) p-block (4) f-block

Last Answer : (2) d-block Explanation: Copper (Cu) has the atomic number of 29. Copper belongs to the d-block which is the collective name for Groups 3 to 12 in the periodic table. Most of the d-block elements are considered to be metals, with a common lustrous metallic appearance.

An element of atomic no. 29 belongs to (1) s-block (2) d-block (3) p-block (4) f-block

Description : An element of atomic no. 29 belongs to (1) s-block (2) d-block (3) p-block (4) f-block

Last Answer : d-block

How is the block to which an element belongs determined?

Description : How is the block to which an element belongs determined?

Last Answer : If we know the atomic number and electronic configuration of an element, we can find the block to which they belong. If the outermost sub energy level is s' then it belongs to s block'. If the ... , 3s 1 . The orbital occupied by the outermost electron is s. So sodium belongs to s' block.

From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. (c) The element with smallest ionic radius. (d) The element with six electrons in the valence shell. (e) The element which is a liquid at room temperature. (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Description : From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.

An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is– (1) 17 (2) 19 (3) 36 (4) 53

Description : An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is– (1) 17 (2) 19 (3) 36 (4) 53

Last Answer : (2) 19 Explanation: Mass Number = number of protons (atomic number) + nu.sriber of neutrons. So as per the question, 36= number of neutrons + 17. Number of neutrons= 36 -17= 19

An Element Atomic number 17 and mass number 36, then number of neutrons present in it–

Description : An Element Atomic number 17 and mass number 36, then number of neutrons present in it–

Last Answer : 19

An Element Atomic number 17 and mass number 36, then number of neutrons present in it

Description : An Element Atomic number 17 and mass number 36, then number of neutrons present in it

Last Answer : 19

An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is (1) 17 (2) 19 (3) 36 (4) 53

Description : An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is (1) 17 (2) 19 (3) 36 (4) 53

Last Answer : 19

1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Description : 1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Last Answer : a) It is because nuclear charge increases due to increase in atomic number, therefore, force of attraction between nucleus and valence electrons increases, i.e. effective nuclear charge increases, hence ... element is ‘F’ because it can gain electrons easily due to smallest atomic size.

A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays directly into an element `Z`. In both the p

Description : A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays directly into an element `Z`. In both the p

Last Answer : A radioactive element `X` has an atomic number of 100. It decays directly into an element `Y` which decays ... of 100 D. Z has an atomic number of 99

Which of the atomic number represent the s-block elements ?

Description : Which of the atomic number represent the s-block elements ?

Last Answer : Which of the atomic number represent the s-block elements? a. 7, 15 b. 3, 12 c. 6, 14 d. 9, 17

The Himalayan mountain system belongs to which one of the following? [Asstt Grade 1991] (a) Fold mountains (b) Volcanic mountains (c) Block mountains (d) None of these

Description : The Himalayan mountain system belongs to which one of the following? [Asstt Grade 1991] (a) Fold mountains (b) Volcanic mountains (c) Block mountains (d) None of these

Last Answer : Ans: (a)

Which of the following sets of atomic numbers belongs to chalcogens

Description : Which of the following sets of atomic numbers belongs to chalcogens

Last Answer : Which of the following sets of atomic numbers belongs to chalcogens A. 8,52,84 B. 9,17,35 C. 20,37,56 D. 14,32,50

Assertion:- `Mg^(2+)` is smaller atomic size then `F^(-)` Resaon :- `Mg^(2+)` has less number of `e^(-)s` than `F^(-)`

Description : Assertion:- `Mg^(2+)` is smaller atomic size then `F^(-)` Resaon :- `Mg^(2+)` has less number of `e^(-)s` than `F^(-)`

Last Answer : Assertion:- `Mg^(2+)` is smaller atomic size then `F^(-)` Resaon :- `Mg^(2+)` has less ... Reason is False. D. If both Assertion & Reason are false

From each set, choose the element with largest ionization enthalpy and explain your answer. (a) F, O, N (b) Mg, P, Ar (c) B, Al, Ga

Description : From each set, choose the element with largest ionization enthalpy and explain your answer. (a) F, O, N (b) Mg, P, Ar (c) B, Al, Ga

Last Answer : Ans. (a). The element fluorine F has the largest ionization enthalpy because in general, it increases along the period. These elements belong to the second period in the order is: N, O, F. Therefore, ... the order of B, Al, Ga. Therefore, the first element B is expected to have the largest value.

EAN of a metal carbonyl `M(CO)_(x)` is 36. If atomic number of metal M is 26, what is the value of x?

Description : EAN of a metal carbonyl `M(CO)_(x)` is 36. If atomic number of metal M is 26, what is the value of x?

Last Answer : EAN of a metal carbonyl `M(CO)_(x)` is 36. If atomic number of metal M is 26, what is the value of x? A. 4 B. 8 C. 5 D. 6

How is the period to which an element belongs determined?

Description : How is the period to which an element belongs determined?

Last Answer : If we know the atomic number and electronic configuration of an element, we can find the period to which it belongs by finding the number of shells. Total number of shells indicates period number. 2 2 6 2 ... 3s 6 2 3p , 4s . Highest shell number is 4 so calcium belongs to the 4 th period.

which story element most closely belongs to Gothic literature?

Description : which story element most closely belongs to Gothic literature?

Last Answer : Frankenstein's obsession with his scientific pursuits (APEX) That is the correct answer when you’re talking about GOTHIC literature

When `._(88)^(226)Ra` emits an `alpha`-particle, the new element formed belongs to:

Description : When `._(88)^(226)Ra` emits an `alpha`-particle, the new element formed belongs to:

Last Answer : When `._(88)^(226)Ra` emits an `alpha`-particle, the new element formed belongs to: A. third group B. zero group C. fourth group D. second group

Which story element most closely belongs to Romantic literature?

Description : Which story element most closely belongs to Romantic literature?

Last Answer : Henry Clerval’s childhood stories and heroes and their adventures (apex)

What are the valence electrons? For s-block and p-block elements show that number of valence electrons is equal to its group number.

Description : What are the valence electrons? For s-block and p-block elements show that number of valence electrons is equal to its group number.

Last Answer : What are the valence electrons? For s-block and p-block elements show that number of valence electrons is equal to its group number.

The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M is [IIT 1991] (A) 40.3 (B) 36.3 (C) 24.3 (D) 11.3

Description : The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M is [IIT 1991] (A) 40.3 (B) 36.3 (C) 24.3 (D) 11.3

Last Answer : (C) 24.3

What is S block element ?

Description : What is S block element ?

Last Answer : When the last electron enters the S / P / d orbital during the electron configuration of the element, it is called a block element.

s Which block element ?

Last Answer : s is the p block element

Hexokinase (Glucose + ATP → Glucose-6– P + ADP) belongs to the category: (A) Transferases (B) Lysases (C) Oxidoreductases (D) Isomerases

Description : Hexokinase (Glucose + ATP → Glucose-6– P + ADP) belongs to the category: (A) Transferases (B) Lysases (C) Oxidoreductases (D) Isomerases

Last Answer : Answer : C

Malignant tertian malarial parasite, belongs to class (a) Plasmodium falciparum (b) P. vivax (c) P. ovale (d) P. malariae.

Description : Malignant tertian malarial parasite, belongs to class (a) Plasmodium falciparum (b) P. vivax (c) P. ovale (d) P. malariae.

Last Answer : (a) Plasmodium falciparum

Which of the following belongs to the class of pepsin and trypsin (C.P.M.T.84) (a) Rennin (b) protein (c) Thyroxin (d) Secretin

Description : Which of the following belongs to the class of pepsin and trypsin (C.P.M.T.84) (a) Rennin (b) protein (c) Thyroxin (d) Secretin

Last Answer : (a) Rennin

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

Description : Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to (a) Phosphorous (b) Boron (c) Antimony (d) Aluminium 

Last Answer : Boron  , a  group  three  element.

The tendency for complex formation is maximum in (a) s-block elements (b) p-block elements (c) noble gases (d) d-block elements

Description : The tendency for complex formation is maximum in (a) s-block elements (b) p-block elements (c) noble gases (d) d-block elements

Last Answer : Ans:(d)

If `f(x) = x^(2) - 5x -36` and `g(x) = x^(2) + 9x + 20,` then for what values of `x` is `2f(x) = 3g(x)` ?

Description : If `f(x) = x^(2) - 5x -36` and `g(x) = x^(2) + 9x + 20,` then for what values of `x` is `2f(x) = 3g(x)` ?

Last Answer : If `f(x) = x^(2) - 5x -36` and `g(x) = x^(2) + 9x + 20,` then for what values of `x` is `2f(x) = 3g(x)` ?

To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 Q, the water horse power of the pump is (A) 400 (B) 450 (C) 500(D) 600

Description : To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is  installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length  of the ... the water horse power of the pump is  (A) 400  (B) 450  (C) 500 (D) 600

Last Answer : (D) 600

A pushdown automation M = (Q, Σ, Γ, δ, q0, z, F) is set to be deterministic subject to which of the following condition(s), for every q ∈ Q, a ∈ Σ ∪ {λ} and b ∈ Γ (s1) δ(q, a, b) contains at most one element (s2) if δ(q, λ, b) is not empty then δ(q, c, b) must be empty for every c ∈ Σ (A) only s1 (B) only s2 (C) both s1 and s2 (D) neither s1 nor s2

Description : A pushdown automation M = (Q, Σ, Γ, δ, q0, z, F) is set to be deterministic subject to which of the following condition(s), for every q ∈ Q, a ∈ Σ ∪ {λ} and b ∈ Γ (s1) δ(q, a, b) contains at most one ... ) must be empty for every c ∈ Σ (A) only s1 (B) only s2 (C) both s1 and s2 (D) neither s1 nor s2

Last Answer : (C) both s1 and s2

What is the atomic number of F ?

Description : What is the atomic number of F ?

Last Answer : The atomic number of F is 9

1. What is the number of electrons in an atom of atomic number Z and mass number A? 2. With which of the following fields is M. F. Hussain associated? 3. Which is the ‘Slack Season’ in the Indian Economy? 4. In which country is Marino sheep rearing the predominant pastoral activity? 5. Which was the lowest unit of Chola administration?

Description : 1. What is the number of electrons in an atom of atomic number Z and mass number A? 2. With which of the following fields is M. F. Hussain associated? 3. Which is the Slack Season' in ... 19. What are Shield volcanoes? 20. Mughal dynasty was to Bahadur Shah Zafar-as what was Lodi dynasty to?

Last Answer : Answer : 1. Z 2. Painting 3. Jan.-June 4. Australia 5. Valanadu 6. Stomata 7. 9th December, 1946 8. Measuring flask 9. China 10. Rajaraja Chola I 11. Vocal music 12. Abidjan 13. ... N. Rao 17. By radiation only 18. Useful but need strict regulation 19. Repeated lava flows 20. Ibrahim Lodi

The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years. (A) 24 (B) 18 (C) 6 (D) 36

Description : The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years. (A) 24 (B) 18 (C) 6 (D) 36

Last Answer : (B) 18

If an integer occupies 4 bytes and a character occupies 1 byte of memory, each element of the following structure would occupy how many bytes ? struct name { int age; char name[30]; }; A) 30 B) 32 C) 34 D) 36

Description : If an integer occupies 4 bytes and a character occupies 1 byte of memory, each element of the following structure would occupy how many bytes ? struct name { int age; char name[30]; }; A) 30 B) 32 C) 34 D) 36

Last Answer : C) 34

According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V) f are surface to volume ratio of the product and feed respectively). (A) (S/V)p (B) √(S/V)p (C) (S/V) 2 p (D) (S/V) f

Description : According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V) f are surface to volume ratio of the product and feed respectively). (A) (S/V)p (B) √(S/V)p (C) (S/V) 2 p (D) (S/V) f

Last Answer : (B) √(S/V)

For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa), the equation is given by (A) Roohwer's, formula in M.K.S. (B) Roohwer's formula in F.P.S. (C) Dalton's formula in F.P.S. (D) Dalton's formula in M.K.S

Description : For calculating the evaporation rate over a reservoir surface E = 0.771 (1.465 - 0.00732B) (0.44 - 0.007375 V) (pe - pa), the equation is given by (A) Roohwer's, formula in M.K.S. (B) Roohwer's formula in F.P.S. (C) Dalton's formula in F.P.S. (D) Dalton's formula in M.K.S

Last Answer : Answer: Option A

An oxyacid of sulphur contained S = S linkage and the oxidation number of S in it is `+6` and `-2`. It belongs to

Description : An oxyacid of sulphur contained S = S linkage and the oxidation number of S in it is `+6` and `-2`. It belongs to

Last Answer : An oxyacid of sulphur contained S = S linkage and the oxidation number of S in it is `+6` and ... ic"` series C. peroxo series D. thionic acid series

An element X has a mass number 4 and atomic number 2. Write the valency of this element? -Science

Description : An element X has a mass number 4 and atomic number 2. Write the valency of this element? -Science

Last Answer : Mass number = 4 Atomic number = 2 X is Helium. It has 0 valency and it will not react with any other atom because it has its outer shell filled.

What is the atomic number of the element which has 3 electrons in its M shell?

Description : What is the atomic number of the element which has 3 electrons in its M shell?

Last Answer : Answer: 13.

The element with the minimum atomic number having 8 electrons in the outer most shell is what?

Description : The element with the minimum atomic number having 8 electrons in the outer most shell is what?

Last Answer : Answer: Neon.

Atomic number of an element gives (a) The number of protons in its atom (b) The number of nucleons in its atom (c) The weight of the atom of the element (d) The total number of elementary particles in its atom

Description : Atomic number of an element gives (a) The number of protons in its atom (b) The number of nucleons in its atom (c) The weight of the atom of the element (d) The total number of elementary particles in its atom

Last Answer : Ans:(a)

Which one of the following is the most characteristic property of an element? (a) Density (b) Boiling point (c) Mass number (d) Atomic number

Description : Which one of the following is the most characteristic property of an element? (a) Density (b) Boiling point (c) Mass number (d) Atomic number

Last Answer : Ans:(d)

Atoms of the same element having same atomic number and different mass number are known as?

Description : Atoms of the same element having same atomic number and different mass number are known as?

Last Answer : Isotopes

Is it possible to have an element having atomic number 1.5?

Description : Is it possible to have an element having atomic number 1.5?

Last Answer : Atomic number is always a whole number. It can either be 1 or 2. There can be no element with atomic number 1.5

If the atomic number of an element increases, then density will increase as well because...?

Description : If the atomic number of an element increases, then density will increase as well because...?

Last Answer : Not necessarily—(although generally so)—Lead (82) is less dense than Osmium (76) at STP. Mostly because, “it’s complicated” =)

An atom has atomic number 12, what is its valency and name the element? -Chemistry 9th

Description : An atom has atomic number 12, what is its valency and name the element? -Chemistry 9th

Last Answer : Element with atomic number 12 is Magnesium (Mg). Electronic configuration of magnesium is 1s2 2s2 2p6 3s2. It has 2 e- in its outermost orbit and can donate these to form a stable octet. Hence, its valency is +2.

104 The element with atomic number is named after which scientist ?

Last Answer : The 104th element is named after the scientist Rutherford.

For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel

Description : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel

Last Answer : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons ... C. 29 , 34 ,29 D. 29 , 29 , 29