The Covalent Bond
Elements on the PT that are most likely to form covalent bonds.
What are nonmetals?
The prefix that indicates 4 electrons.
What is tetra?
In forming a molecular structure, each atom should have ________ electrons around it unless there is some specific reason why this cannot be achieved.
What is 8 electrons?
How do lone pairs effect the molecular shape?
They take up more space due to repulsion which changes the bond angle
(bonded pairs are closer together)
Bonds that are only found in single bonded molecules.
What are sigma bonds?
An acid that contains oxygen, hydrogen, and at least one other element.
What is an oxyacid?
Draw the lewis structure for nitrogen trifluoride.
Drawing should have 3 single bonds and one lone pair around the nitrogen.
The negativity difference of CoBr2
What is 1?
Process in which energy is absorbed during a chemical reaction.
What is an endothermic reaction?
The proper name for an acid that contains Chlorate.
What is Chloric Acid?
Draw the lewis structure for C2H4
Drawing should include a double bond between the carbons and single bonds between carbons and hydrogens.
The two types of molecules that will form a nonpolar bond.
What are symmetrical molecules and diatomic molecules?
The bond with the lowest bond dissociation energy.
What is a single bond?
Name the following compound: Si2Br6
What is disilicon hexabromide?
How many total electrons are in CO32-?
24 e-
A shape formed by 3 bonds around the central atom.
What is trigonal planar?
The bond character of HCl.
What is polar covalent?
What is as diatomic molecules? (H2, O2, N2)
Name the following: H3PO4
What is phosphoric acid?
What are
-expanded octet
-sub octet
-coordinate-covalent
-odd # of valence electrons
Draw the molecular shape for SF6
(should be an octahedral shape)
Draw the molecule NH3. Include polarity if relevant.
Should be trigonal pyramidal. Nitrogen should have a negative pole, hydrogens should have a positive pole.