Description : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:
Last Answer : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is: A. 8 B. 7 C. 6 D. 4
Description : The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge:
Last Answer : The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge: A. 8 B. 7 C. 6 D. 4
Description : Which of the following is the maximum number of electrons that can be present in M-shell? (1) 2 (2) 8 (3) 18 (4) 32
Last Answer : 18
Description : The electrons present in the outmost shell of an atom is called?
Last Answer : Valence electrons
Description : A Bill referred to a 'Joint Sitting' of the two Houses of the Parliament is required to be passed by – (1) a simple majority of the members present (2) absolute majority of the total membership (3) rd majority of the members present (4) (4) th majority of the members present
Last Answer : (1) a simple majority of the members present Explanation: In matters pertaining to nonfinancial (ordinary) bills, after the bill has been passed by the House where it was originally tabled (Lok Sabha or ... both Houses, presided over by the speaker of the Lok Sabha and decided by a simple majority.
Description : Draw the atomic structure of (i) an atom with same number of sub-atomic particles, (ii) an atom with same number of electrons in L and M shell. -Chemistry 9th
Last Answer : (i) Oxygen Number of electrons = 8 Number of protons= 8 Number of neutron= 8 (ii) Argon Atomic number =18=2,8,8 No of electrons in L shell = 8 No of electrons in M shell = 8
Description : What is the atomic number of the element which has 3 electrons in its M shell?
Last Answer : Answer: 13.
Description : The element with the minimum atomic number having 8 electrons in the outer most shell is what?
Last Answer : Answer: Neon.
Description : What is the number of electrons in the last shell of a halogen element ?
Last Answer : : The number of electrons in the last shell of halogen elements is 5 .
Description : (3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of ... , and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.
Last Answer : Methyl phenyl ether can be obtained by reacting - (1) phenolate ions and methyl iodide (2) methoxide ions and bromobenzene (3) methanol and phenol (4) bromobenzene and methyl bromide
Description : The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8
Last Answer : (4) 8 Explanation: The innermost shell has a maximum of two electrons, but the next two electron shells can each have a maximum of eight electrons.
Description : The maximum number of electrons in a shell?
Last Answer : 2nA2 (n = Number of shell)
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.
Description : In general the number of electrons in the outermost shell of the metal is A)1B)1 to 3 C)5 to 8 D)8
Last Answer : B)1 to 3
Description : Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B ... (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.
Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron
Description : How many electrons can be accommodated in the M shell?
Last Answer : Answer: 18.
Description : which of the following gas does not have an octet or eight electrons in the outer shell?
Last Answer : which of the following gas does not have an octet or eight electrons in the outer shell? A. Neon B. Radon C. Argon D. Helium
Description : How many electrons are in the valence shell of I in IF4-?
Last Answer : Need answer
Description : How many electrons can the 3rd atom shell hold?
Description : How many electrons are needed to make stable shell?
Last Answer : A stable shell has 8 electrons.
Description : How does an atom gets a full shell of electrons?
Last Answer : The nonmetals usually gain or share however many electrons theyneed to complete their outer shell. Metals tend to lose theelectrons in their outer shell, so that one of the inner shellsessentially becomes the outer shell.
Description : Why are electrons in the outermost shell are important?
Last Answer : Because they determine how the element will combine with otherelements
Description : Valence electrons are the electrons found on the last shell of an atom true or fase?
Last Answer : TRUE
Description : What are transition elements? (1) Elements whose two outermost shells are incomplete (2) Elements which possess properties of both, metals and non-metals (3) They have eight electrons in the outermost shell (4) Elements whose three outermost shells are incomplete
Last Answer : (1) Elements whose two outermost shells are incomplete
Description : Which element has two electrons in the K-shell only?
Last Answer : Helium
Description : Elements with eight electrons in their outermost shell are called
Last Answer : noble gases
Description : Electrons which are free to move around are also called A. conduction electrons B. valence shell electrons C. inner electrons D. electron sea
Last Answer : conduction electrons
Description : If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? a. Unstable b. Unreactive c. Stable d. Inert
Last Answer : a. Unstable
Description : By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays
Last Answer : b) X-rays
Description : Which one of the following elements has valence electrons in the n = 3 shell? A beryllium B oxygen C silicon D neon E hydrogen
Last Answer : C silicon
Description : How many electrons are there in the valence shell of the O2– ion? A 2 B 8 C 10 D 16 E 18
Last Answer : B 8
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 : How many electrons are there in the valence shell of a calcium atom?
Last Answer : ANSWER: 2
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 : Intrinsic semiconductor material is characterized by a valence shell of how many electrons? a) 1 b) 2 c) 4 d) 6
Last Answer : Intrinsic semiconductor material is characterized by a valence shell of 4 electrons.
Description : What is the total number of electrons present in an Mg 2 plus cation?
Last Answer : The Mg2 plus cation has 10 electrons.
Description : Read the assertion and reason carefully to mark the correct option out of the option given below: Assertion: Thick layers of muscles are present in th
Last Answer : Read the assertion and reason carefully to mark the correct option out of the option given below: Assertion: Thick ... D. Both (A) of (R ) are false.
Description : Let `T` be the mean life of a radioactive sample. `75%` of the active nuclei present in th sample initially will deacy in time
Last Answer : Let `T` be the mean life of a radioactive sample. `75%` of the active nuclei present in th sample initially will ... ` C. 4T D. `2 (log_(e) 2) T`
Description : An electron is present in 4 f sub - shell . The possible values of azimuthal quantum number for this electron are :-
Last Answer : An electron is present in 4 f sub - shell . The possible values of azimuthal quantum number for this electron are :- A. ... 3 B. 1 ,2, 3, 4 C. 3 D. 4
Description : In the tag, th stands for (a) Table Heading (b) Total Heading -Technology
Last Answer : (c) th stands lor Table Header
Description : Rs x is divided among Mr Bilhari, Mr Narahari, and Mr Murahari. The share of Bilhari is one-fourth of the total money, the share of Murahari is one-th
Last Answer : Rs x is divided among Mr Bilhari, Mr Narahari, and Mr Murahari. The share of Bilhari is one-fourth ... and the share of Narahari is Rs 1200. Find x
Description : After striking the floor, a rubber ball rebounds (7/8)th of height from which it has fallen. Find the total distance that it travels before coming to rest, if it is gently dropped from a height of 420 meters. a) 2940 b) 6300 c) 1080 d) 3360
Last Answer : b) 6300
Description : For a B-tree of height h and degree t, the total CPU time used to insert a node is (A) O(h log t) (B) O(t log h) (C) O(t2h) (D) O(th)
Last Answer : (D) O(th)
Description : Ravi and kavi are partners in a business. Ravi contributes 3/7th of the total capital for 20 months and kavi received 3/4 th of the profit. Then how long kavi invest the money in the business? A) 5 B) 11 C) 6 D) 9
Last Answer : Answer: A) Total profit be X kavi’s profit is 3/4x Ravi’s profit is 1/4x Ratio of ravi & kavi profit =3/4 x: 1/4x=3:1 Let Ravi's investment =3/7 *P(for 20 months then, kavi’s investment =4/7 P) Ratio of ravi & kavi Profit =3:1=3/7*P*20 :4/7*p*T T=5 months= kavi investment time
Description : The subshell that arises after f subshell is called g subshell. ltBrgt What is the total number of orbitals in the shell in which the g- subshell firs
Last Answer : The subshell that arises after f subshell is called g subshell. ltBrgt What is the total number of orbitals in the shell ... ? A. 9 B. 16 C. 25 D. 36
Description : $ Forminiferance have a calcareous shell. ! Dimorphic nucleic are present in Paramacium.
Last Answer : $ Forminiferance have a calcareous shell. ! Dimorphic nucleic are present in Paramacium. A. If both As and R ... wrong D. If both As and R are wrong.
Description : Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of `SF_(4)` :-
Last Answer : Total no. of vacant orbitals in valence shell of sulphur when it undergoes formation of `SF_(4)` :- A. 5 B. 4 C. 3 D. 2
Description : Calculate number of electrons present in 3.5 g of PO :-
Last Answer : Calculate number of electrons present in 3.5 g of PO :- A. 6 B. `5 N_(A)` C. `0.1 N_(A)` D. `4.7 N_(A)`
Description : The number of lone pairs of electrons present in central atom of `CIF_3` is:
Last Answer : The number of lone pairs of electrons present in central atom of `CIF_3` is:
Description : The number of unpaired electrons present in complex ion `[FeF_(6)]^(3-)` is:
Last Answer : The number of unpaired electrons present in complex ion `[FeF_(6)]^(3-)` is: A. 5 B. 4 C. 6 D. 0