How many unpaired electrons are there in the groun state of Al3+? w) 0 x) 1 y) 2 z) 3

1 Answer

Answer :

ANSWER: W -- 0

Related questions

Description : Unpaired electrons are present in ground-state ato of: w) Helium x) Calcium y) Oxygen z) Magnesium

Last Answer : ANSWER: Y -- OXYGEN

Description : Which one of the following atoms has two unpaired electrons in its ground state: w) Sodium x) Calcium y) Oxygen z) Aluminum

Last Answer : ANSWER: Y -- OXYGEN

Description : Molecular oxygen is said to be paramagnetic. This indicates that molecular oxygen: w) is a gas at room temperature x) forms molecules containing two oxygen atoms y) has an approximate molecular weight of 32 z) has unpaired electrons

Last Answer : ANSWER: Z -- HAS UNPAIRED ELECTRONS

Description : How is paramagnetic character of a compound is related to the no. of unpaired electrons?

Last Answer : Ans. Greater the number of unpaired electrons greater will be the paramagnetic character

Description : Which of the following statements is correct regarding nucleophiles? (a) They have an overall positive charge (b) They have a lone-pair of electrons (c) They have an unpaired electron (d) They have empty orbitals

Last Answer : (b) They have a lone-pair of electrons

Description : What is the name given to a substance with one or more unpaired electrons?

Last Answer : ANSWER: FREE RADICAL

Description : In the filling of electron orbitals for the elemen sulfur, which has 16 electrons, the number of electrons in the 3p orbitals is: w) 3 x) 4 y) 6 z) 0

Last Answer : ANSWER: X -- 4

Description : One mole of electrons is known as: w) a Faraday x) a Henry y) a Coulomb z) an Ampere

Last Answer : ANSWER: W -- A FARADAY

Description : The nuclei of heavy atoms generally contain: w) more electrons than neutrons x) more protons than electrons y) more neutrons than electrons z) more orbitals than electrons

Last Answer : ANSWER: Y -- MORE NEUTRONS THAN ELECTRONS

Description : The silver luster of the metals can be attributed to one of the following. It is attributed to their free w) protons x) ions y) neutrons z) electrons

Last Answer : ANSWER: Z -- ELECTRONS 

Description : The orbital angular momemtum quantum number indicates which one of the following? w) the average distance of the electrons from the nucleus x) the direction of spin of the electron y) the shape of the orbital z) the position about the three axes in space of the orbital 

Last Answer : ANSWER: Y -- THE SHAPE OF THE ORBITAL

Description : What is the process by which an atom gains electrons? w) Reduction x) Neutralization y) Electrolysis z) Oxidation

Last Answer : ANSWER: W -- REDUCTION

Description : Which of the 3rd period elements loses electrons most readily? w) Sodium x) Magnesium y) Aluminum z) Silicon

Last Answer : ANSWER: A-SODIUM

Description : Compared to Chlorine, Bromine has: w) smaller atomic size x) higher density y) lower boiling point z) greater number of outer electrons

Last Answer : ANSWER: X -- HIGHER DENSITY

Description : The bond most likely to be formed when two atoms differ SOMEWHAT in their tendency to attract electrons is: w) nonpolar ionic x) polar ionic y) polar covalent z) nonpolar covalent

Last Answer : ANSWER: Y -- POLAR COVALENT

Description : A bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge is which one of the following types of bonds? w) ionic x) pure covalent y) nonpolar covalent z) polar covalent 

Last Answer : ANSWER: Z -- POLAR COVALENT 

Description : Which of the following elements gains electrons most readily? w) Sodium x) Magnesium y) Aluminum z) Fluorine

Last Answer : ANSWER: D -- FLUORINE

Description : It is believed that carbon-14 in nature is slowly generated by the action of: w) protons on carbon-12 x) electrons on hydrogen y) cosmic rays on boron z) neutrons on nitrogen

Last Answer : ANSWER: Z -- NEUTRONS ON NITROGEN 

Description : Ammonia can be considered a Lewis base because it can donate: w) electrons x) protons y) hydronium ions z) hydroxide ions

Last Answer : ANSWER: A -- ELECTRONS

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 : Which of the following is a necessary characteristic for electrons that share an s orbital? w) coplanar spins x) parallel spins y) opposite spins z) none of these

Last Answer : ANSWER: Y -- OPPOSITE SPINS

Description : How many electrons can occupy an s orbital? w) one x) two y) three z) four

Last Answer : ANSWER: X -- TWO

Description : Why is my grass yellow underneath? My grass is green, but closer to the groun,d it is yellow.

Last Answer : too much rain and a 3 inch cut is better......you can ariate next fall and do weed and feed.............follow the directions on the package keep children & pets away, wear old clothing, googles, gloves and a mask

Description : What is the number of unpaired electrons in carbon atom? -General Knowledge

Last Answer : The answer is '2'

Description : What is the number of unpaired electrons in carbon atom? -General Knowledge

Last Answer : answer:

Description : Statement I `[Fe(H_(2)O)_(5)NO]SO_(4)` is paramagnetic Statement II The Fe in `[Fe(H_(2)O)_(5)NO]SO_(4)` has three unpaired electrons .

Last Answer : Statement I `[Fe(H_(2)O)_(5)NO]SO_(4)` is paramagnetic Statement II The Fe in `[Fe(H_(2)O) ... is false D. Statement-1 is false, statement-2 is true.

Description : s-1: `[MnCl_(6)]^(3),[FeF_(6)]^(3-)` and `[CoF_(6)]^(-3)` are paramagnetic having four, five and four unpaired electrons respectively. S-2: Valence bo

Last Answer : s-1: `[MnCl_(6)]^(3),[FeF_(6)]^(3-)` and `[CoF_(6)]^(-3)` are paramagnetic having four, five and ... onn the metal ion. A. TTT B. TFT C. FTF D. TFF

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

Description : The number of unpaired electrons in `d^(6)`, low spin, octahedral complex is :

Last Answer : The number of unpaired electrons in `d^(6)`, low spin, octahedral complex is : A. 4 B. 2 C. 1 D. 0

Description : The hybridisation and unpaired electrons in `[Fe(H_(2)O)_(6)^(2+)]` ion are :

Last Answer : The hybridisation and unpaired electrons in `[Fe(H_(2)O)_(6)^(2+)]` ion are : A. `sp^(3)d^(2)`,4 B. `d^(2)sp^ ... . `d^(2)sp^(3)`,4 D. `sp^(3)d^(2),2`

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 : Number of unpaired electrons in inert gas is

Last Answer : Number of unpaired electrons in inert gas is A. Zero B. 8 C. 4 D. 18

Description : In `S_(2)` molecule the two unpaired electrons are present in

Last Answer : In `S_(2)` molecule the two unpaired electrons are present in A. `pi` B. `pi^(**)` C. `sigma` D. `sigma^(**)`

Description : In the Lewis symbol for a fluorine atom there are paired and unpaired electrons.?

Last Answer : Yes. That is true. There are 3 pairs of electrons, and 1 loneunpaired electron.

Description : How many unpaired electrons in indium?

Last Answer : One (1)

Description : How many unpaired electrons are present in iron?

Last Answer : Feel Free to Answer

Description : How many unpaired electrons does barium have?

Last Answer : What is the answer ?

Description : How many unpaired electrons are present in each atom of phosphorus?

Last Answer : Three unpaired electrons are present in each atom ofphosphorus.

Description : Which of the following is not characteristic of resonance? (a) The canonical structures have the constituent atoms in the same relative positions (b) They have nearly the same energy (c) ... of unpaired electrons (d) The actual structure can be represented on paper using the conventional symbols

Last Answer : Ans:(d)

Description : A space ship traveling toward Mars at 0.6 times the speed of light c shoots an ELECTRON beam at Mars. If the electrons travel at 0.6 c RELATIVE TO THE SPACE SHIP, at what speed do the electrons impact the surface of Mars? w) 0.6 c x) 0.88 c y) 1.2 c z) 1.34 c

Last Answer : ANSWER: X -- 0.88 c

Description : Nickel `(Z=28)` combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex `[NiX_4]^(2-)`. The number of unpaired electron(

Last Answer : Nickel `(Z=28)` combines with a uninegative monodentate ligand `X^(-)` to form a paramagnetic complex ... C. one, square planar D. two, square planar

Description : The dominant charge carriers in p-type semiconductors are: w) neutrons x) electrons y) protons z) holes

Last Answer : ANSWER: Z -- HOLES

Description : The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.

Last Answer : ANSWER: Z -- LESS THAN THE ELECTRON'S CHARGE. 

Description : Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Last Answer : ANSWER: Z -- PHOTONS

Description : When radiation breaks an electron pair bond in a molecule and each fragment of the molecule gets one of the bond electrons, the molecular fragments that are formed are called: w) ions x) free radicals y) stable molecules z) gases

Last Answer : ANSWER: X -- FREE RADICALS

Description : A reduction reaction always involves the: w) loss of electrons x) gain of electrons y) addition of oxygen z) removal of oxygen

Last Answer : ANSWER: X -- GAIN OF ELECTRONS

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 : An element has the following numbers of electrons in its shells: 2-8-8-2. Which of the following is true? The element: w) is a nonmetal x) forms an ion with a charge of +2 y) can accept two electrons z) forms a negative ion

Last Answer : ANSWER: X -- FORMS AN ION WITH A CHARGE OF +2

Description : If two atoms exert equal attractions for electrons, they can form: w) a nonpolar covalent bond x) an ionic bond y) a polar covalent bond z) no bond

Last Answer : ANSWER: W -- A NONPOLAR COVALENT BOND

Description : A high voltage applied to a gas discharge tube containing neon gas at very low pressure causes a current to flow through the tube. Which one of the following are the particles that flow towards the ... Are they w) electrons x) protons y) negatively charged neon ions z) positively charged neon ions

Last Answer : ANSWER: Z -- POSITIVELY CHARGED NEON IONS