chemistry chapter 8

how many single covalent bonds can halogens form?

1

multiple covalent bonds consist of which one of these?

1 sigma bond and 1 or 2 pi bonds

which combination of bonds is present in this molecule? : O=O

1 sigma bond and 1 pi bond

which is the formula for the compound sulfur hexachloride?

SCI6

which is not a diatomic molecule?

boron

which is the correct name for the compound HCIO3?

chloric acid

which exception to the octet rule is shown by this molecule?

coordinate covalent bond

which is the correct name for the compound N2O4?

dinitrogen tetroxide

what is the correct name for the compound N2O3?

dinitrogen trioxide

which type of bond has an electronegativity difference greater than 1.7?

ionic

which is the correct name for the compound HNO2?

nitrous acid

which is the correct name for the compound PCI5?

phosphorus pentachloride

based on its electronegativity difference, which kind of bond is present in the compound OF2?

polar covalent

which type of bond has one pair of electrons shared between atoms?

single covalent

name the acid with the following chemical formula: H2SO4.

sulfuric acid

what molecular shape does the comppund CCI4 have?

tetrahedral

covalent compounds display which of these properties?

their intermolecular forces are relatively weak

which type of molecular shape is shown by this molecule?

trigonal bipyramidal

how mant single covalent bonds can carbon form?

4

what is the electronegativity difference in the compound aluminum chloride, AICI3?

1.55

A compound BeCl2 uses sp hybrid orbitals of Be atom. which of the following is the correct bond angle in the compound?

180°

how many valence electrons are available in the ion NO3?

24

in the compound PCI3, how many total valence electrons are present?

26

how many total shared electron pairs are in a molecule that displays sp2 hybridization?

3

how many pairs of bonding electrons are present in a molecule that displays triagonal bipyramidal molecular shape?

5

which of the following compounds is an exception to the octet rule?

BH3

which is the correct formula for the compound phosphoric acid?

H3PO4

which is the correct formula for the compound dinitrogen monoxide?

N2O