Description : Which one of the following pairs of atoms would form a non-polar covalent bond? A C and O B N and O C Cl and Cl D Na and Cl E Ne and Ne
Last Answer : C Cl and Cl
Description : Is A nonpolar bond is formed when two atoms share electrons unequally?
Last Answer : No. A polar bond is formed when electrons are sharedunevenly.A nonpolar bond indicates even sharing of electrons.
Description : What is a chemical bond that occurs when atoms share electrons?
Last Answer : This is a covalent bond.
Description : Explain why the water molecule has a bent shape and a bond angle less than 109.5° The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together
Last Answer : The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together
Description : In `OF_2`, the number of bond pairs and lone pairs of electrons are respectively,
Last Answer : In `OF_2`, the number of bond pairs and lone pairs of electrons are respectively, A. 2,6 B. 2,8 C. 2,10 D. 2,9
Description : Which of the following statements are correct concerning delocalized electrons? (a) Electrons do not belong to a single atom. (b) Electrons are not confined to a bond between two atoms (c) Electrons are shared by three or more atoms. (d) (a), (b) and (c)
Last Answer : (d) (a), (b) and (c)
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 : 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 : The temporary effect in which there is a complete transfer of shared pair of `pi-` electrons to one of the atoms joined by a multiple bond on the dema
Last Answer : The temporary effect in which there is a complete transfer of shared pair of `pi-` ... effect C. hyperconjugation D. negative resonance effect
Description : What identification bond characterized by the sharing of electrons between atoms?
Last Answer : This is the covalent bond.
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 : Which of the following statements about benzene is correct? (a) All of the carbon atoms are sp3 hybridized. (b) It has no delocalized electrons. (c) The carbon-carbon bond length is longer than that of ethane. (d) It is a planar molecule.
Last Answer : It is a planar molecule.
Description : what two atoms forms a covalent bond?
Last Answer : Two oxygen atoms, you sneaky person, you.
Description : Which type of bond forms between atoms of iron?
Last Answer : Metals have metallic bonds.
Description : Which statement about the carbonyl group is NOT true? (a) The carbonyl carbon is sp2 hybridized. (b) The bond angles among the three atoms attached to the carbonyl carbon are 120°. (c) ... attached to the carbonyl carbon form a nonplanar geometry. (d) The carbonyl group forms resonance structures.
Last Answer : The three atoms attached to the carbonyl carbon form a nonplanar geometry
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 : Which statement is correct? (a) Energy is released when a bond breaks. (b) A sigma bond results from attraction of protons and electrons. (c) Energy is released when a bond forms. (d) A carbanion is positively charged
Last Answer : Energy is released when a bond forms
Description : When two or more atoms are linked together the force holding them together is called a _____. a. charged particle b. chemical bond. c. electric attraction. d. magnetic bond.
Last Answer : b. chemical bond.
Last Answer : An acceptor is an element used in semiconductors whose atoms have three valence electrons.
Description : What happens when 2 nitrogen atoms share electrons?
Last Answer : they form a covalent bond
Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane
Last Answer : Benzene
Description : If two atoms are bonded to a central atom with no ione pairs how will they be arranged?
Last Answer : Need answer
Description : Which of the following pairs of numbers best represents the diameter, in nanometers, of most atoms? w) between 0.1 and 0.5 x) between 1 and 10 y) between 10 and 100 z) between 10,000 and 1,000,000
Last Answer : ANSWER: A -- BETWEEN 0.1 AND 0.5
Description : Which of the following statements is correct? (a) Adenine pairs with thymine through two H-bonds. (b) Adenine pairs with thymine through one H-bond. (c) Adenine pairs with thymine through three H-bonds. (d) Adenine does not pair with thymine
Last Answer : ) Adenine pairs with thymine through two H-bonds.
Description : Do lone pairs have an effect on bond angles?
Description : DNA rich in G-C pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds (D) 4 Hydrogen bonds
Last Answer : Answer : C
Description : DNA rich in A-T pairs have (A) 1 Hydrogen bond (B) 2 Hydrogen bonds (C) 3 Hydrogen bonds(D) 4 Hydrogen bonds
Last Answer : Answer : B
Description : Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2
Last Answer : PCl3
Description : In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?
Last Answer : What is the answer ?
Description : Where are the two lone pairs of electrons of the oxygen atom in an alcohol molecule located? (a) in two p orbitals (b) in two sp orbitals (c) in two sp2 orbitals (d) in two sp3 orbitals
Last Answer : in two sp3 orbitals
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 lone pairs of electrons present on Xe in `XeF_(2)` ?
Last Answer : The number of lone pairs of electrons present on Xe in `XeF_(2)` ? A. 3 B. 4 C. 2 D. 1
Description : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is
Last Answer : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is A. 4 B. 3 C. 2 D. zero
Description : When The number of bonding pairs in a molecule is equal to the number of electrons?
Last Answer : Feel Free to Answer
Description : How many lone pairs of electrons exist on the central atom in ammonia?
Last Answer : One lone pair. The central atom is N (nitrogen) which has 5valence electrons. Three of them are shared with 3 hydrogen atoms,leaving 2 electrons (1 lone pair) on the N.
Description : What are two or more atoms sharing electrons?
Description : What is the term used to describe the sharing of valence electrons between two or more atoms?
Last Answer : Covalent bonding.
Description : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons
Last Answer : there is delocalization of electrons
Description : For _______ bonding, one or more electrons are transferred between atoms. a. hydrogen b. ionic c. peptide d. covalent
Last Answer : b. ionic
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 : In which type of bond are one or more electrons transferred from one atom to another?
Description : Which one of the following pairs is not correctly matched? (1) Languages : Eighth Schedule (2) The forms of oaths or affirmations: Second Schedule (3) Allocation of seats in the Council of States - Fourth Schedule (4) Provisions as to disqualification on the ground of defection - Tenth Schedule
Last Answer : (2) The forms of oaths or affirmations: Second Schedule Explanation: Forms of Oaths and Affirmations are the subject of Third Schedule. Salary of President, Governors, Chief Judges, Judges of High Court and Supreme Court, Comptroller and Auditor General are the subject of Second Schedule.
Description : If the electron pair forming a bond between two atoms and B is not in the center then the bond is ?
Last Answer : If the electron pair forming a bond between two atoms and B is not in the center then the bond is ? A. `XeF_(6) ... XeO_(4)` D. `Ba_(2)[XeO_(6)]^(4-)`
Description : If oxygen which has an electronegativity of 3.5 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as a polar what bond?
Description : What The double bond between carbon atom and two oxygen atoms has two characteristics what are they?
Last Answer : Four valence electrons are shared.Valence electrons are shared between oxygen atoms.
Description : If nitrogen which has an electronegativity of 2.0 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as?
Description : In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds
Last Answer : (2) two bonds Explanation: Two oxygen atoms can both achieve stable structures by sharing two pairs of electrons as in the diagram. Two electrons of each of the atom in the oxygen molecule ... is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons.