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 : What is a bond formed by the electrical attraction between two oppositely charged ions is a(n) .?
Last Answer : This is an ionic bond.
Description : Why the ionic radii of negative ions are larger than size of their parent atoms?
Last Answer : because when electron are aded to form a anion , the increase of electron_elctron repulsion cause the elcectron to spread out in more spaces
Description : Can two positively charged body attract each other?
Last Answer : yes--consider two charged bodies (having positive charge). One body is very large in comparison to the other. The large body will induce opposite charge in the small body and thus both will attract each other
Description : In p-type semiconductor the majority carriers are (A) holes. (B) electrons. (C) positive ions. (D) negative ions.
Last Answer : (A) holes.
Description : An ionized gas contains both positive and negative ions . If it is subjected simultaneously to an electric field along the ` +x` - direction and a mag
Last Answer : An ionized gas contains both positive and negative ions . If it is subjected simultaneously to ... y-direction and negative ions towards +y-direction
Description : How Compare the formation of positive ions with the formation of negative ions in terms of energy changes?
Last Answer : Need answer
Description : Consider the following statements: 1. Even when a nerve cell is not conducting an impulse, it is actively transporting K+ and Na+ ions in and out respectively against their concentration gradients at the expense of energy 2. As a ... is/are untrue? (a) 1 only (b) 1, 2, 4 (c) 2, 4 (d) 4 only
Last Answer : Ans:(d)
Description : Which of the following terms denotes the polar molecules or negative ions clustered about a central positive ion? w) ligands x) isomers y) complex ions z) dipoles
Last Answer : ANSWER: W -- LIGAND
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 : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive charge (D) All amino acids contain negatively charged side chains
Last Answer : Answer : A
Description : A good conductor while carrying current is - (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : (2) negatively charged Explanation: Electrons carry current in a good conductor of electricity and they are negatively charged. This makes a good electrical conductor negatively charged.
Description : If the plates of capacitor are oppositely charged then the total charge is equal to A. negative B. positive C. zero D. infinite
Last Answer : zero
Description : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive Charge (D) All amino acids contain negatively charged side chains
Last Answer : (A) All amino acids contain both positive and negative charges
Description : A good conductor while carrying current is (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : negatively charged
Description : If a chlorine atom were to attract an electron from sodium the chlorine atom would become blank charged?
Last Answer : negative
Description : Phenomena in which a charged body attract uncharged body is called A. electrostatic induction B. electric current C. charge movement D. magnetic induction
Last Answer : electrostatic induction
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 : Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions?
Last Answer : Which of the following alkali metal ions has the lowest ionic mobility in aqueous solutions? A. `Li^(+)` B. `Na^(+)` C. `Rb^(+)` D. `Cs^(+)`
Description : A net ionic equation does NOT show: w) electronic charges x) solid products (precipitates) y) spectator ions z) reacting species
Last Answer : ANSWER: Y -- SPECTATOR IONS
Description : When a positive ion is attracted to a negative ion what’s the chemical bond called?
Last Answer : Ionic Bond
Description : When a positive ion is attracted to a negative ion what’s the chemical bond?
Description : The compound methylamine, H3C–NH2, contains a C–N bond. In this bond, which of the following best describes the charge on the nitrogen atom? (a) slightly positive (b) uncharged (c) slightly negative (d) –1
Last Answer : slightly negative
Description : For stable molecule the Value of bond order must be.... a) Negative b) Positive c) 0 d) There is no relationship between stability and bond order
Last Answer : b) Positive
Description : What is the other name of ionic bond ?
Last Answer : Another name for ionic bonds is electrolytic bonds.
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 : What type of strong bond that forms between ions with opposite charges?
Last Answer : What is the answer ?
Description : The alpha particles are A)High`-` energy electrons B)Positively charged hydrogen ions C) High`-` energy `X-` rays radiations D)Double positively charg
Last Answer : The alpha particles are A)High`-` energy electrons B)Positively charged hydrogen ions C) ... ray radiations D. double positively charged helium nuclei
Description : When water breaks apart it releases positively charged hydrogen ions and negatively charged ions?
Description : Negatively charged ions are called a. anions b. cations c. both d. none of them
Last Answer : anions
Description : Positively charged ions are called a. anions b. cations c. both d. none of them
Last Answer : cations
Description : Phosphorus and nitrogen ions generally get depleted in soil because they usually occur as (a) neutral ions (b) negatively charged ions (c) positively charged ions (d) both positively and negatively charged but disproportionate mixture.
Last Answer : (b) negatively charged ions
Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal
Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL
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
Description : Which of the following atoms or ions would be the smallest? w) sodium atom x) magnesium atom y) singly charged sodium ion z) doubly charged magnesium ion
Last Answer : ANSWER: Z -- DOUBLY CHARGED MAGNESIUM ION
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 : 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 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?
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 : What charge do group 13(3A) elements when in an ionic bond?
Last Answer : The valence is 3.
Description : Which atoms form an ionic bond?
Last Answer : Magnesium and bromine (Apex)