The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The low bolling points of the ligher noble

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The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The low ... (C) pyramidal D. (D) T-shaped

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Description : The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The low bolling points of the ligher noble

Last Answer : The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The ... B. planar C. pyramidal D. T-shaped

Description : The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The low bolling points of the ligher noble

Last Answer : The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition ... C. flammability D. high calorific value

Description : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter nob

Last Answer : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. ... (C) unreactive D. (D) strongly basic

Description : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter nob

Last Answer : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal ... flammablity D. (D) high calorific value

Description : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter nob

Last Answer : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal ... reducing C. unreactive D. strongly basic

Description : The noble gases have low boiling points because: w) their ionization potentials are very low x) only weak Van der Waals forces hold the atoms together y) they are produced by the fractional distillation of liquid air z) they have eight electrons in the outer shell

Last Answer : ANSWER: X -- ONLY WEAK VAN DER WAALS FORCES HOLD THE ATOMS TOGETHER

Description : A characteristic of the noble gases is that they all: w) have eight electrons in the outer shell x) have low stability y) form many compounds z) have filled outer electron shells

Last Answer : ANSWER: Z -- HAVE FILLED OUTER ELECTRON SHELLS

Description : The valence shell configuration of noble gases (except He) is

Last Answer : The valence shell configuration of noble gases (except He) is A. `ns^(2)np^(4)` B. `ns^(2)np^(1)` C. `ns^(2)np^(6)` D. `ns^(2)np^(6)nd^(10)`

Description : Pick out the wrong statement. (A) Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom (B) The heat capacity of solid inorganic substance is exactly equal to the ... isolated system (D) At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

Last Answer : (C) There is an increase in entropy, when a spontaneous change occurs in an isolated system

Description : The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are (A) 5 & 3 (B) 3.987 & 1.987 (C) 1.987 & 0.66 (D) 0.66 & 1.987

Last Answer : A) 5 & 3

Description : Why do noble gases such neon or argon have very low chemical reactivity?

Last Answer : They have very low chemical reactivity because they all have afull outer shell, i.e. they all have 8 electrons in their outershell. This makes them very stable and thus not very reactive.

Description : Electron affinity of noble gases is - (1) zero (2) Low (3) High (4) Very high

Last Answer : (1) zero Explanation: Most elements 'want' to have a complete electron shell with 8 electrons. Since the Noble Gases already have that 'perfect status' then they have an affinity of 0.

Description : Electronic Stability control generally work when a) Steering is in over steering and under steering condition b) When collision has to be prevent c) Fuel is low d) Roads are uneven

Last Answer : a) Steering is in over steering and under steering condition

Description : In a gas-liquid shell and tube heat exchanger, the (A) Presence of a non-condensable gas decreases the condensing film co￾efficient (B) Gases under high pressure are routed through the tube side, because high pressure ... water or steam condensate remain localised to the tubes (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Description : What is the most stable monatomic ion formed from aluminum?

Last Answer : The only monatomic ion formed from aluminum is Al3+.

Description : What monatomic ion is found in all acids?

Last Answer : This ion is the hydrogen cation.

Description : What monatomic ion is found in all acids?

Last Answer : This ion is the hydrogen cation.

Description : Sodium chloride is an example of what kind of compound? w) ionic x) covalent y) polyatomic z) monatomic

Last Answer : ANSWER: W -- IONIC

Description : How many neighboring atoms are in contact with eac atom in a monatomic body-centered cubic structure. w) 4 x) 6 y) 8 z) 12

Last Answer : ANSWER: Y -- 8

Description : which of the following is not true in regard to noble gases? -General Knowledge

Last Answer : These elements tend to gain or lose electrons easily. -is not true in regard to noble gases.

Description : The correct order of boiling point of noble gases is :

Last Answer : The correct order of boiling point of noble gases is : A. `Xe lt Kr lt Ar lt Ne` B. `Kr lt Xe lt Ar lt Ne ... lt Kr lt Ne` D. ` Xe gt Kr gt Ar gt Ne`

Description : Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They generally do not form ionic compounds.

Last Answer : Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They ... IV C. I,III,IV D. (D) All

Description : The order of solubility of noble gases in water is

Last Answer : The order of solubility of noble gases in water is A. (A)HegtArgtKrgtNegtXe B. (B)HegtNegtArgtKrgtXe C. (C)XegtArgtKrgtHegtNe D. (D)XegtKrgtArgtNegtHe

Description : How many of the following properties of noble gases would increase from Helium to Radon? Boiling point, First lonisation enthalpy, Atomic volume, Abun

Last Answer : How many of the following properties of noble gases would increase from Helium to Radon? ... Density at STP. Valence electrons, Critical temperature.

Description : Which one of the following noble gases is not found in atmosphere ?

Last Answer : Which one of the following noble gases is not found in atmosphere ? A. (A) Rn B. (B) Kr C. Ne D. (D) Ar

Description : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Last Answer : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with ... )d` and linear D. `sp` and linear

Description : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Last Answer : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly ... D. `sp^(3)d^(2)` & 2

Description : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Last Answer : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly ... A. zero B. 2 C. 6 D. 8

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)]^(-)`. Reason: The discovery ... = 90^(@)` D. `A = B = 90^(@)`

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

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

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)`

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

Description : The noble gases which do not form any clatherate

Last Answer : The noble gases which do not form any clatherate A. He B. Ar C. Kr D. Xe

Description : Which of the following noble gases do not reasct with function

Last Answer : Which of the following noble gases do not reasct with function A. Xe B. He C. Ar D. Kr

Description : Which of the noble gases is the least polarized?

Last Answer : Which of the noble gases is the least polarized? A. Radon B. Krypton C. Xenon D. Helium

Description : The correct order of enthalpy of vaporisation of noble gases is

Last Answer : The correct order of enthalpy of vaporisation of noble gases is A. `Xe gt Kr gt Ar Ne gt He` B. `Xe gt Ar ... gt Xe` D. `Ne gt Xe gt Kr gt He gt Ar`

Description : Which one of the following noble gases is not found in atmoshphere?

Last Answer : Which one of the following noble gases is not found in atmoshphere? A. Rn B. Kr C. Ne D. Ar

Description : Noble gases are group of elements which exhibit very :

Last Answer : Noble gases are group of elements which exhibit very : A. High chemical activity B. Much ... C. Maximum electronegativity D. Low chemical activity

Description : Which of the following noble gases is used in the treatment of cancer ?

Last Answer : Which of the following noble gases is used in the treatment of cancer ? A. Xe B. Ar C. Rn D. Kr

Description : The ease of liquefaction of noble gases decreases in the order

Last Answer : The ease of liquefaction of noble gases decreases in the order A. `He gt Ne gt Ar gt Kr gt Xe` B. `Xe gt Kr ... gt Ne` D. `Ar gt Kr gt Xe gt He gt Ne`

Description : The solubility of noble gases in water shows the order

Last Answer : The solubility of noble gases in water shows the order A. `He gr Ar gt Kr gt Ne gt Xe` B. `He gt Ne ... Xe gt Kr gt Ar gt Ne gt He` D. None of these

Description : Which statement about noble gases is not correct ?

Last Answer : Which statement about noble gases is not correct ? A. Xe forms `XeF_(6)` B. Ar is used in ... He has the lowest b.pt among all the noble gases

Description : Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon

Last Answer : Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon A. ... D. is the most readily available noble gas

Description : Amomng noble gases, only xenon can form more number of compounds. This is due to ti its

Last Answer : Amomng noble gases, only xenon can form more number of compounds. This is due to ti its A. High ... C. Small size D. less than zero electron affinity

Description : Noble gases form compounds very easily with

Last Answer : Noble gases form compounds very easily with A. Sulphur B. Nitrogen C. Oxygen D. Fluorine

Description : The atomicity of noble gases is

Last Answer : The atomicity of noble gases is A. Two B. One C. Six D. Four

Description : Which of the following is the correct sequence of the noble gases in their in the periodic table ?

Last Answer : Which of the following is the correct sequence of the noble gases in their in the periodic table ? A. Ar, He, Kr, ... Xe, Rn D. He, Ne, Ar, Kr, Xe, Rn

Description : Where are the noble gases?

Last Answer : Noble gases are found in the 18th group in the periodictable.

Description : What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?

Last Answer : The most active metals are alkali metals.The most active nonmetals are halogens.