Which of the following is not true concerning coordinate covalent bonds? Both of the shared electrons in a coordinate covalent bond come from one of the atoms. When oxygen forms three covalent bonds, one of those bonds is likely to be a coordinate covalent bond. Oxygen forms a coordinate covalent bond with a hydrogen ion (H+) at one of its nonbonding electron pair in H3O+ Bonds with an electronegativity difference of more than 1.5 are often coordinate covalent

Which term matches the definition: A covalent bond between atoms of different electronegatives.

Molecule Aluminum trihydride Nitrogen (N₂) Oxygen (O₂) Carbon disulfide Phosphorous trichloride Acetic acid Phosphorus trihydride Methane (CH4) Ammonia Ammonium ion Sulfuric acid Carbon monoxide MOLECULAR GEOMETRY Central atoms #of unpaired electrons electrons # of bonded Best Lewis Structure Central Atom Geometry Bond Angle

Which of the following is/are the most significant resonance structure(s)? H H III I O II and III O they are equivalent O.III OI CO II II

Valence refers to O the number of valence electrons in an atom or ion the total electrons in an atom or ion minus the valence electrons Othe number of bonds a particular atom usuay forms in a covalent compound the number of bonds a partuar atom wi ways formsn a molecuie

If a molecule has a bent shape with a bond angle close to 120°, and the central atom obeys the octet rule, the central atom has I 11 IV OI and IV OII and IV OI and III II and III three structural electron pairs four structural electron pairs one lone pair of electrons two lone pairs of electrons

Which of the following resonance structures contributes most to the resonance hybrid? I II III IV O II O None of these O IV O I O III

This is an example of 1p+ an ionic bond a hydrogen bond a polar covalent bond a nonpolar covalent bond H2 1p+

What is the molecular shape of a phosphine molecule, PH3? none of the above O linear bent tetrahedral O trigonal pyramidal

place the following bonds in order of polarity highest to lowest. Is this the correct order? O-K<O-H,<Cl-As< N-N