The most abundant rare gas in the atmosphere is (a) He (b) Nc (c) Ar (d) Xe

The most abundant rare gas in the atmosphere is (a) He (b) Nc (c) Ar (d) Xe
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The inert gas abundantly found in widely distributed is - (1) Xe (2) Kr (3) He (4) Ar

Description : The inert gas abundantly found in widely distributed is - (1) Xe (2) Kr (3) He (4) Ar

Last Answer : (4) Ar Explanation: Argon (Ar) is the most prevalent of the noble gases in Earth's crust with the element composing 0.00015% of this crust.

The most abundant rare gas in the at- mosphere is?

Description : The most abundant rare gas in the at- mosphere is?

Last Answer : Ar

I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is the most abundant of the rare-earth group. The element is a silver-gray metal which oxidizes readily at room temperature and is an important factor in color television tubes. The atomic number of this element is 58. What is this element?

Description : I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is the most abundant of the rare-earth group. The element is a silver-gray metal ... factor in color television tubes. The atomic number of this element is 58. What is this element?

Last Answer : ANSWER: CERIUM (Ce)

Matrix Matching. `{:("List-I","List-II"),((A) "Gas Thermometers",(p) He),((B) "Beacon lamp", (q) Ne),((C ) "Electric bulbs",(r ) Xe),((D) "Flash bulb"

Description : Matrix Matching. `{:("List-I","List-II"),((A) "Gas Thermometers",(p) He),((B) "Beacon lamp", (q) Ne),((C ) "Electric bulbs",(r ) Xe),((D) "Flash bulb"

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Most abundant gas in atmosphere?

Description : Most abundant gas in atmosphere?

Last Answer : Nitrogen

The least abundant inert gas in the atmosphere is by volume

Description : The least abundant inert gas in the atmosphere is by volume

Last Answer : The least abundant inert gas in the atmosphere is by volume A. Ne B. He C. Ar D. Xe

The most abundant noble gas in the atmosphere is

Description : The most abundant noble gas in the atmosphere is

Last Answer : The most abundant noble gas in the atmosphere is A. Argon B. Neon C. Helium D. Krypton

What is the most abundant gas in our atmosphere oxygen hydrogen nitrogen water?

Description : What is the most abundant gas in our atmosphere oxygen hydrogen nitrogen water?

Last Answer : It is nitrogen, followed by oxygen.

Which is of the following is the most abundant gas in our atmosphere?

Description : Which is of the following is the most abundant gas in our atmosphere?

Last Answer : nitrogen

Which gas is abundant in the atmosphere?

Description : Which gas is abundant in the atmosphere?

Last Answer : Nitrogen

The most abundant inert gas in the atmosphere is (1) Helium (2) Neon (3) Argon (4) Krypton

Description : The most abundant inert gas in the atmosphere is (1) Helium (2) Neon (3) Argon (4) Krypton

Last Answer : Argon

The inert gas used as beacon light is - (1) Kr (2) Ar (3) He (4) Ne

Description : The inert gas used as beacon light is - (1) Kr (2) Ar (3) He (4) Ne

Last Answer : (4) Ne Explanation: Neon is used in neon discharge lamps and advertising signs because the neon lights are visible from long distances. Since the light of neon signs has a better penetrating power through ... , the neon signs are also used in beacon lights for the safety of air and sea navigation.

The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Description : The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Last Answer : Option B

The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Description : The lightest non-inflammable gas is (A) H2 (B) He (C) Ar (D) O2

Last Answer : Option B

The inert gas used as beacon light is (1) Kr (2) Ar (3) He (4) Ne

Description : The inert gas used as beacon light is (1) Kr (2) Ar (3) He (4) Ne

Last Answer : Ne

Why is evidence of a meteoroid impact rare on Earth, despite the fact they often pass into Earth’s atmosphere?

Description : Why is evidence of a meteoroid impact rare on Earth, despite the fact they often pass into Earth’s atmosphere?

Last Answer : When a meteorite hits Earth, the result is similar to a huge bomb exploding. Some of the material from the meteor turns to dust that goes high into the atmosphere where winds carry it over the entire surface of the Earth.

Look at the following gases: 1. Carbon dioxide 2. Helium 3. Nitrogen 4. Oxygen The two most abundant gases in the atmosphere are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Description : Look at the following gases: 1. Carbon dioxide 2. Helium 3. Nitrogen 4. Oxygen The two most abundant gases in the atmosphere are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Last Answer : Ans:(c)

The most abundant inert gaseousele- ment . present in the atmosphere?

Description : The most abundant inert gaseousele- ment . present in the atmosphere?

Last Answer : Argon

Most abundant element in atmosphere?

Description : Most abundant element in atmosphere?

Last Answer : Nitrogen

Which is the most abundant gaseous element in the atmosphere ?

Description : Which is the most abundant gaseous element in the atmosphere ?

Last Answer : Nitrogen is the most abundant gaseous element in the atmosphere.

What is the order of the four most abundant gases in the Earth's atmosphere from most abundant to least abundant?

Description : What is the order of the four most abundant gases in the Earth's atmosphere from most abundant to least abundant?

Last Answer : Nitrogen, Oxygen, Argon & Carbon Dioxide.

What are the two most abundant gases in earths atmosphere?

Description : What are the two most abundant gases in earths atmosphere?

Last Answer : Nitrogen and Oxygen

The second most abundant element in the Earth's atmosphere is?

Description : The second most abundant element in the Earth's atmosphere is?

Last Answer : oxygen

The most abundant element in the earth's atmosphere is – (1) Argon (2) Nitrogen (3) Oxygen (4) Krypton

Description : The most abundant element in the earth's atmosphere is – (1) Argon (2) Nitrogen (3) Oxygen (4) Krypton

Last Answer : (2) Nitrogen Explanation: The most abundant gas in the Earth's atmosphere is nitrogen. Nitrogen makes up 78 percent of the Earth's atmosphere, and it is a permanent gas, which means that its percentage ... atmosphere is made up of 21 percent oxygen, 0.9 percent argon and 0.1 percent trace gases.

The most abundant element in the earth’s atmosphere is (1) Argon (2) Nitrogen (3) Oxygen (4) Krypton

Description : The most abundant element in the earth’s atmosphere is (1) Argon (2) Nitrogen (3) Oxygen (4) Krypton

Last Answer : Nitrogen

Blackwater's (Xe) CEO wants to be a high school teacher. Discuss.

Description : Blackwater's (Xe) CEO wants to be a high school teacher. Discuss.

Last Answer : Has he been charged and found guilty of a criminal offence?

What is the integral of xe^(-x) dx?

Description : What is the integral of xe^(-x) dx?

Last Answer : Sorry, my fingers and toes only go to 20.

What is the atomic number of Xe ?

Description : What is the atomic number of Xe ?

Last Answer : The atomic number of Xe is 54

Evaluate: `int(x+1)/(x(1+xe^x)^2)dx`

Description : Evaluate: `int(x+1)/(x(1+xe^x)^2)dx`

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Oxidation number of Xe in `XeF_(5)^(-)` is :

Description : Oxidation number of Xe in `XeF_(5)^(-)` is :

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In the reaction `A^(-n2)+xe^(-)rarrA^(-n1)` . Here, x will be :

Description : In the reaction `A^(-n2)+xe^(-)rarrA^(-n1)` . Here, x will be :

Last Answer : In the reaction `A^(-n2)+xe^(-)rarrA^(-n1)` . Here, x will be : A. `n_(1)+n_(2)` B. `n_(2)-n_(1)` C. `n_(1)-n_(2)` D. `n_(1).n_(2)`

Consider the following reactions `underset(2)(Xe)+underset(1)(F_2)overset(Ni)to A` `underset(1)(Xe)+underset(20)(F_2)to B` `underset(1)(Xe)+underset(5

Description : Consider the following reactions `underset(2)(Xe)+underset(1)(F_2)overset(Ni)to A` `underset(1)(Xe)+underset(20)(F_2)to B` `underset(1)(Xe)+underset(5

Last Answer : Consider the following reactions `underset(2)(Xe)+underset(1)(F_2)overset(Ni)to A` `underset(1)(Xe)+underset(20 ... B D. A,B, C are act as lewis base.

Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on `Xe` are:

Description : Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on `Xe` are:

Last Answer : Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on ... iii) only D. (D) (i),(ii) and (iii)

`""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38)Sr^(94)` and X. What will be the product X ?

Description : `""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38)Sr^(94)` and X. What will be the product X ?

Last Answer : `""_(92)U^(235)` nucleus absorbs a neutron and disintegrates into `""_(54)Xe^(139) .""_(38) ... B. 2-neutrons C. `alpha`-particles D. `beta`-particle

The number of neutrons accompanying the formation of `._(54)Xe^(139)` and `._(38)Sr^(94)` from the absorption of a slow neutron by `._(92)U^(235)`, fo

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Evaluate a^xe^x dx

Description : Evaluate a^xe^x dx

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Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`

Description : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`

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Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

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Last Answer : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery ... = 90^(@)` D. `A = B = 90^(@)`

Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

Description : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)`. Reason: The discovery was based on the basis of comparable

Last Answer : Asseration: The first real compound of the noble gases in `1962 "was" Xe^(+)[PtF_(6)]^(-)` ... `. A. tetrahedral B. pyramidal C. octahedral D. angular

In `XeO_(3)` and `XeF_(6)` the oxidation state of `Xe` is

Description : In `XeO_(3)` and `XeF_(6)` the oxidation state of `Xe` is

Last Answer : In `XeO_(3)` and `XeF_(6)` the oxidation state of `Xe` is A. `sp^(3)d^(2)` to `sp^(3)d` B. `sp^(3)d^(3)` ... ^(3)d^(2)` D. `sp^(3)d^(3)` to `sp^(3)d`

Total number of lone pairs on Xe in `XeF_(2), XeO_(3)F_(2), XeF_(4), XeF_(6)` is t,u,v & w respectively. Then

Description : Total number of lone pairs on Xe in `XeF_(2), XeO_(3)F_(2), XeF_(4), XeF_(6)` is t,u,v & w respectively. Then

Last Answer : Total number of lone pairs on Xe in `XeF_(2), XeO_(3)F_(2), XeF_(4), XeF_(6)` is t,u,v & w respectively. Then A. ... `v +w = 3` C. `u = 0` D. `w = 1`

When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Description : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces a yellow solid X at `66^(@)C`

Last Answer : When `PtE_(6)` vapour mixed with an equal volume of Xe, the gases combined immediatedly at room temperature and produces ... ]^(+) [Pt_(2)F_(11)]^(-)`

`XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :

Description : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :

Last Answer : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these ... B. Square pyramid C. square planar D. octahedral

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds ... `XeF_(2)` and tetraheddral `XeO_(3)`

Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite

Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the ... ` C. `XeO_(2)F_(2)` D. Xe

Which of the following fluorides of Xe has zero dipole moment ?

Description : Which of the following fluorides of Xe has zero dipole moment ?

Last Answer : Which of the following fluorides of Xe has zero dipole moment ? A. `XeF_(2)` B. `XeF_(6)` C. `XeF_(4)` D. Both (1) & (3)

Which of the following is formed when `O_(2)F_(2)` reacts with Xe ?

Description : Which of the following is formed when `O_(2)F_(2)` reacts with Xe ?

Last Answer : Which of the following is formed when `O_(2)F_(2)` reacts with Xe ? A. `XeF_(2)` B. `XeF_(4)` C. `XeF_(6)` D. None of these

The reaction of Xe with an excess of `F_(2)` at high pressure and 573 K yields

Description : The reaction of Xe with an excess of `F_(2)` at high pressure and 573 K yields

Last Answer : The reaction of Xe with an excess of `F_(2)` at high pressure and 573 K yields A. `XeF_(2)` B. `XeF_(4)` C. `XeF_(6)` D. `XeF_(3)`

In the preparation of compounds of Xe, Bartlett has taken `O_(2)^(+)Pt F_(6)^(-)` as a base compound. This is becase

Description : In the preparation of compounds of Xe, Bartlett has taken `O_(2)^(+)Pt F_(6)^(-)` as a base compound. This is becase

Last Answer : In the preparation of compounds of Xe, Bartlett has taken `O_(2)^(+)Pt F_(6)^(-)` as a base compound ... enthalpy. D. both Xe and `O_(2)` are gases.