Find the atomic structure of `._(12)^(24)Mg`. What is its valency?

1 Answer

Answer :

Find the atomic structure of `._(12)^(24)Mg`. What is its valency?

Related questions

Description : The two elements required to form substitutional solid solution should not have (A) Same crystalline structure (B) Same valency (C) Widely differing electronegativity (D) Same atomic sizes

Last Answer : C) Widely differing electronegativity

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.

Description : A photon of gamma radiation knocks out a proton from `""_(12)Mg""^(24)` nucleus to form a)The isotope of parent nucleus b)The isobar of parent nucleus

Last Answer : A photon of gamma radiation knocks out a proton from `""_(12)Mg""^(24)` nucleus to form a)The isotope of ... )Na` D. the isobar of `._(11)^(23)Na`

Description : Find the valency factor for following bases : `(i) Ca(OH)_(2) " " (ii) CsOH " " (iii) Al(OH)_(3)`

Last Answer : Find the valency factor for following bases : `(i) Ca(OH)_(2) " " (ii) CsOH " " (iii) Al(OH)_(3)`

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.

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)

Description : Complete the following nuclear reactions: (i) `._(7_^(14)N + ._(2)^(4)He rarr ._(8)O + ._(1)^(1)H` (ii) `.^(24)Mg + ._(2)^(4)He rarr ._(13)^(27)Al +`

Last Answer : Complete the following nuclear reactions: (i) `._(7_^(14)N + ._(2)^(4)He rarr ._(8)O + ._(1)^(1)H` (ii) `. ... )Li + .^(3)n rarr .^(4)He + ._(1)^(3)H`

Description : Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] About `(CrCl_(3)(NH_(3))_(3))`

Last Answer : Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] ... (IV),(i), R D. (I),(ii),S

Description : The radioisotope , tritium `(""_(1)^(3)H)` has a half-life of 12.3 years. If the initial amount of tritium is 32 mg , how many milligrams of it would

Last Answer : The radioisotope , tritium `(""_(1)^(3)H)` has a half-life of 12.3 years. If the initial amount of tritium is 32 ... A. 1 mg B. 2 mg C. 4 mg D. 8 mg

Description : The fertilized eggs of Catla take about _ to _ hrs for hatching at 30°C (a) 10 to 12 (b) 12 to 14 (c) 14 to 18 (d) 18 to 24

Last Answer : (d) 18 to 24

Description : Why do Helium, Neon and Argon have a zero valency? -Science

Last Answer : Helium has 2 electrons in its outermost orbit thus filling shell 1 and forming duplet configuration in the valence shell. Neon has 8 electrons in their valence orbit hence completing duplet ... reach stable electron configuration and they will not take part in any sort of chemical reactions.

Description : The valency of silicon is -Science

Last Answer : According to the electronic configuration the valency is +4 or -4 because silicon can either gain 4 electrons or lose 4 electrons because it is a noble gas. Hence valency of silicon is 4

Description : Difference between Valency and Valence electrons ? -Chemistry

Last Answer : 1 ) Valency : The ability to gain, loose and sharing of electrons is valency / combinig capacity atoms of other elements is valency. 2 ) Valence elctrons : Electrons present in the outermost shell of the atom is valence electrons.

Description : Define the term valency. What is the valency for magnesium and copper? -Chemistry 9th

Last Answer : The no.of electrons required for the element to be octate or duplate is known as valency. Magnesium = 2 Copper = 1 hope this helps u

Description : If a metal X with valency 3 combines with a non-metal Y with a valency 2, what will be the formula of the compound formed when X and Y combines?

Last Answer : 1

Description : Find the the valency factor for following acids `(i) CH_(3)CO OH " " (ii) NaH_(2)PO_(4) " " (iii) H_(3)BO_(3)`

Last Answer : Find the the valency factor for following acids `(i) CH_(3)CO OH " " (ii) NaH_(2)PO_(4) " " (iii) H_(3)BO_(3)`

Description : How does valency of an element vary across a period?

Last Answer : How does valency of an element vary across a period?

Description : The valency is zero for

Last Answer : The valency is zero for A. Neon B. Fluorine C. Oxygen D. Carbon

Description : What is the name of the family of reactive metals having valency two?

Last Answer : What is the name of the family of reactive metals having valency two?

Description : What is the name of the family of reactive metals having valency one?

Last Answer : What is the name of the family of reactive metals having valency one?

Description : What the valency of bicarbonate is?

Last Answer : The charge of ion bicarbonate, HCO3 (not valency) is -1.

Description : What is the valency of fluorine in calcium fluoride?

Last Answer : 1. This is answerI have another question to ask youWhat is the valency of calcium in calcium flouridePlease can you answer to my question

Description : Why the valency of an element is a whole number?

Last Answer : Because there is no such thing as a fraction of an electron.

Description : Tyrosine of thyroglobulin is acted upon by ________ to give mono and diiodo tyrosines. (A) Potassium Iodide (B) Iodine (C) Iodide I (D) Higher valency state of iodine (I+)

Last Answer : Answer : D

Description : The valency of carbon is

Last Answer : four.

Description : Why do inert gases have zero valency?

Last Answer : Inert gases have zero valency because their octet is complete.

Description : Define: (a) Radical (b) Valency (c) Molecular formula

Last Answer : (a) Radical: A radical is an atom of an element or a group of atoms of different elements that behaves as a single unit with a positive or negative charge on it.  (b) Valency: It is the ... number of atoms of each element present in it. These atoms combine in whole number to form the molecule. 

Description : Why chlorine is electronegative? What type of valency it will show with hydrogen.  

Last Answer : Chlorine gains one electron from another atom so as to complete its octet therefore chlorine is electronegative.  Type of valency with hydrogen : Co-valency.  

Description : Define valency. Write their types.

Last Answer : Valency:- The number of electrons donated (lose) or accepted (gain) or shared by atom of an element in order to complete its octet & attain stability is called as Valency.  Types of Valency : 1. Electro valency 2. Co valency 3. Co-ordinate valency

Description : Define: i) Valency ii) Valence electrons. 

Last Answer : Valency:- The number of electrons donated (lose) or accepted (gain) or shared by atom of an element in order to complete its octet & attain stability is called as Valency.  Valence electrons: ... in the outermost orbit of an atom determine the valency of an atom and hence called valence electrons. 

Description : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,

Last Answer : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of ... 0.222g` C. `2.22 g` D. `0.444 g`

Description : What is the atomic number of Mg ?

Last Answer : The atomic number of Mg is 12

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

Description : 1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is

Last Answer : 1.5 mol of `O_(2)` combines with Mg to form oxide MgO. The mass of Mg (at. Mass 24) that has combined is A. 72 g B. 36 g C. 24 g D. 94 g

Description : Can Chlorpheniramine Maleate and Betahistin 24 mg be taken together?

Last Answer : I can't locate any conclusive information on these twomedications together. You should consult with your physician orpharmacist before deciding to take these.

Description : In humans under normal conditions loss of ketone bodies via urine is usually less than (A) 1 mg/24 hr (B) 4 mg/24 hr (C) 8 mg/24 hr (D) 10 mg/24 hr

Last Answer : Answer : A

Description : Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500

Last Answer : (B) 20

Description : The effective atomic number of `Co(CO)_(4)` is 35 and hence is less stable. It attains stability by

Last Answer : The effective atomic number of `Co(CO)_(4)` is 35 and hence is less stable. It attains stability by ... Co B. reduction of Co C. dimerization D. none

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

Description : The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respect

Last Answer : The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` ... is: A. 92234 B. 94230 C. 90230 D. 92230

Description : The complex `[Pt(NH_(3))_(4)]^(2+)` has ………. Structure :

Last Answer : The complex `[Pt(NH_(3))_(4)]^(2+)` has ………. Structure : A. square planar B. tetrahedral C. pyramidal D. pentagonal

Description : For the complex `K_(2)[Cr(NO)(NH_(3))(CN)_(4)],mu=1.73 BM`. (i) Write IUPAC name. (ii) What will be structure ? (iii) How many unpaired electrons are

Last Answer : For the complex `K_(2)[Cr(NO)(NH_(3))(CN)_(4)],mu=1.73 BM`. (i) Write IUPAC name. ... the complex. (vi) What will be the hybridisation of the complex.

Description : Find the structure of the following atoms: (i) `._(8)^(16)O" "` (ii) `._(17)^(35)Cl" "` (iii) `._(13)^(27)Al`.

Last Answer : Find the structure of the following atoms: (i) `._(8)^(16)O" "` (ii) `._(17)^(35)Cl" "` (iii) `._(13)^(27)Al`.

Description : One of use of microprogramming to implement _ ____ of processor in Intel 80x86 and Motorola 680x0 processors whose instruction set are evolved from 360 original. a. Control structure b. Without control c. Control unit d. Only control

Last Answer : c. Control unit

Description : Compare the following complexes with respect to their shape, magnetic behaviour and the hybrid orbitals involved : (i) [CoF4]2- (ii) [Cr(H2O)2(C2O4)2]– (iii) [Ni(CO)4] (Atomic number : Co = 27, Cr = 24, Ni = 28) -Chemistry

Last Answer : (i) [COF4]2_ : Tetrafluorido cobalt (III) ion Coordination number = 4 Shape = Tetrahedral Hybridisation = sp3 Important Questions for Class 12 Chemistry Chapter 9 Coordination Compounds Class 12 Important Questions 7

Description : Identify the correct trend given below : ( Atomic no : Ti=22, Cr=24 and Mo=42)

Last Answer : Identify the correct trend given below : ( Atomic no : Ti=22, Cr=24 and Mo=42) A. `Delta_(0)of [Cr(H_(2)O)_(6)] ... _(6)]^(+3)gt[Ti(H_(2)O)_(6)]^(2+)`

Description : Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] Correct combination for `[PtCl_

Last Answer : Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78 ... (IV),(iv),P D. (III),(ii),R

Description : Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78)] Correct combination for `[VCl_(

Last Answer : Matching the information given in the three columns of the following table. [Note: Atomic Number of Cr=24,V=23,Pt=78 ... (III),(ii),R D. (IV),(iv),Q

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

Description : Daily urinary urobilinogen excretion in adult men is (A) 0–4 mg (B) 5–8 mg (C) 9–12 mg (D) 13–20 mg

Last Answer : Answer : A