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 : 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 : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f
Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature ... H_(2)O lt H_(2)Te -` boiling point
Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ... oxides are usually covalent and acidic in nature
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 : What is an ionic bond?
Last Answer : An ionic bond is a type of chemical bond where one or more electrons are transferred from one atom to another, resulting in oppositely charged ions that attract each other.
Description : What is the difference between a covalent and an ionic bond?
Last Answer : A: A covalent bond is formed when two atoms share electrons, while an ionic bond is formed when one atom donates electrons to another atom.
Last Answer : A: A covalent bond involves the sharing of electrons between atoms, while an ionic bond involves the transfer of electrons between atoms to form ions.
Description : What is the other name of ionic bond ?
Last Answer : Another name for ionic bonds is electrolytic bonds.
Description : Which of the following compounds has ionic bond. `pi-`bond, co-ordinate bond and covalent bond:-
Last Answer : Which of the following compounds has ionic bond. `pi-`bond, co-ordinate bond and covalent bond:- A. `HNO_(2)` B. `NaNO_(3)` C. `KNO_(2)` D. `MgCl_(2)`
Description : Is bromine pentaiodide ionic or covalent bond?
Last Answer : The bonds are polar covalent.
Description : What is the difference between an ionic bond a covalent bond and a hydrogen bond?
Last Answer : The ionic bond bond is based on electrostatic attraction between ions.The covalent bond is based on electrons sharing between two atoms.The hydrogen bond exist between two polar groups and is a weak bond.
Description : What are three physical properties of ionic compounds that are associated with ionic bonds and relate them to bond strength?
Last Answer : These are melting point, boiling point, hardness.
Description : What is a type of bond in which positive and negative charged ions attract each other in an ionic bond?
Last Answer : That is called an ionic bond or coulombic attraction.
Description : What happens to an atom of fluorine (F) when it forms an ionic bond in which it has the same electron configuration as the noble gas neon?
Last Answer : It accepts one electron.
Description : Is phosphorus pentoxide ionic or covalent bond?
Last Answer : Phosphorus pentoxide is a covalent bond, not a ionic.-Emiko Bunny
Description : Is H3P a compound or ionic bond?
Last Answer : Phosphine has a nonpolar covalent bond.
Description : Is KClO4 is an ionic or covalent bond?
Last Answer : What is the answer ?
Description : Is CuSO4 an ionic bond or covalent bond?
Last Answer : It is considered to be ionic.
Description : What do covalent bond and ionic bond have in common?
Last Answer : there electrons
Description : Which atoms form an ionic bond?
Last Answer : Magnesium and bromine (Apex)
Description : Is an ionic bond stronger than a covalent bond?
Last Answer : Covalent bond is made up of electrostatic attraction but ionic bond is made up of weak waalander's force of attraction
Description : Is hydroxide an ionic bond?
Last Answer : yes
Description : Which bond is present in the primary structure of protein? (A) Ester (B) Hydrogen (C) Ionic bond (D) Peptide
Last Answer : Answer : D
Description : In denaturation of proteins, the bond which is not broken: (A) Disulphide bond (B) Peptide bond (C) Hydrogen bond (D) Ionic bond
Last Answer : Answer : B
Description : A single covalent bond (a) Is formed by the transfer of two electrons (b) Exists between hydrogen and chlorine in an aqueous solution, of hydrochloric acid (c) Is longer than a double bond (d) Does not require energy to disrupt it unlike an ionic bond
Last Answer : Ans:(c)
Description : Mark the compound which posses ionic, covalent and co–ordinate bond:
Last Answer : NH4Cl
Description : Ionic bond was proposed by?
Last Answer : Kossel
Description : When does ionic character develop in covalent bond?
Last Answer : Ans. When the difference in electro negativity of the combining atom is more than 1.9 it develops 50 % ionic character .
Description : Which rule explains the covalent character of ionic bond ?
Last Answer : Ans. Fajan’s Rule
Description : Which of the following best describes the carbon-chlorine bond of an alkyl chloride? (a) nonpolar; no dipole (b) polar; δ+ at carbon and δ– at chlorine (c) polar; δ– at carbon and δ+ at chlorine (d) ionic
Last Answer : polar; δ+ at carbon and δ– at chlorine
Description : What is the weak bond holding the nucleic acids together in DNA? a. ionic bonds b. covalent bonds bonds c. polar bond d. hydrogen bond
Last Answer : d. hydrogen bond
Description : The bond is a weak bond that can exist between poles of adjacent molecules. a. hydrogen b. ionic c. polar covalent d. non polar covalent
Last Answer : d. non polar covalent
Description : Define Ionic Bond & Covalent Bond how it is formed explain with example.
Last Answer : Ans : Ionic Bond OR Electrovalent Bond : The attraction that binds oppositely charged ions together is termed as electrovalent bond or ionic bond. It is formed between the atoms with electronegativity ... most shell by means of sharing of unpaired electrons & thus a covalent bond is formed.
Description : 9.The reason behind the anti-parallel strand of DNA is 1. Hydrogen bond 2. Ionic bond 3. Phosphodiester bond 4. Disulphide bond
Last Answer : Ans: Phosphodiester bond.
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 : In 2-butene, which of the following bonds prevents the atoms at each end of the bond from rotating with respect to each other. Is it an: w) ionic bond x) sigma bond y) strong bond z) double bond
Last Answer : ANSWER: Z -- DOUBLE BOND
Description : Which of the following four compounds would have t most ionic bond? w) CH4 x) LiF y) CsF z) N2
Last Answer : ANSWER: Y -- CsF
Description : Which bond has the LEAST ionic character? w) H - F x) Li - F y) Li - Br z) F - F
Last Answer : ANSWER: Z -- F - F
Description : The atoms in sugar are bound by what type of bond? w) ionic x) hydrogen y) covalent z) van der Waals
Last Answer : ANSWER: Y -- COVALENT
Description : The bond in Fluorine is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network
Last Answer : ANSWER: X -- NONPOLAR COVALENT
Description : The bond in hydrogen chloride is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network
Description : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : The heats of dissociation of M - H bond of hy
Last Answer : (A) : Thermal stability of the hydrides of VIA group elements decreases from `H_(2)O` to `H_(2)Po` (R) : ... is false D. (A) is false but (R) is true
Description : The maximum bond angle in hydrides of group 16 elements is in
Last Answer : The maximum bond angle in hydrides of group 16 elements is in A. `H_(2)O` B. `H_(2)Se` C. `H_(2)S` D. `H_(2)Te`
Description : Explain the trend of the following in group 13 elements : A. atomic radii B. ionization enthalpy C. electron affinity
Last Answer : Explain the trend of the following in group 13 elements : A. atomic radii B. ionization enthalpy C. electron affinity