Shapes
A molecule that belongs to the class AB2.
What is a linear molecule?
This molecular geometry/shape is said to have no bond angle OR an angle of 180 degrees.
What is a linear molecule?
What is the chemical formula for the polyatomic ion ammonium?
What is NH4+?
These elements have very mobile electrons and d orbitals.
What are metals?
An ionic compound has an overall charge of:
What is zero?
A bent molecule has this many lone pairs on the central atom.
What is 2 lone pairs?
This molecular geometry/ shape has a 120 degree bond angles.
What trigonal planar?
What is the chemical formula for the polyatomic ion phosphate?
What is PO4-3?
This is the ability of a metal to be pulled into wires.
What is ductility?
The smallest ratio of ionically bonded cations and anions which is neutral (0) in charge
What is a formula unit?
A tetrahedral molecule has this many peripheral atoms.
What is four peripheral atoms?
This molecular geometry/shape has a bond angle of 109.5 degrees.
What is the bond angle of a tetrahedral molecule?
What is the chemical formula for the polyatomic ion Nitrate?
What is NO3-?
This is the ability for a metal to be hammered into different shapes.
What is malleability?
A charged group of atoms that are covalently bonded to one another are called this:
What is a polyatomic ion?
Sulfur hexafluoride (SF6) has this geometry/shape.
What is octahedral?
A molecular geometry/shape that has a bond angle of both 90 degrees and 120 degrees.
What is the bond angle of a trigonal bipyramidal?
What is the chemical formula for the polyatomic ion for sulfate?
What is SO4-2
The attraction between a sea of electrons and the positively charged nuclei of atoms.
What are metallic bonds?
A negative charge on a polyatomic ion comes from this:
What is an excess of electrons in the molecule?
This geometry has one central atom, 3 peripheral atoms, and no lone pairs on the central atom.
What is trigonal planar?
The molecular geometry/shape that has only 90 degree bond angles.
What is octahedral?
True crystals are formed by ions. Different crystal shapes are due to these 3 factors:
What are 1) Size of the ions
2) Charges of the ions
3) The number of ions of different charges
The amount of heat required for a substance to vaporize.
What is the enthalpy of vaporization?
This is a charged atom of one element.
What is a monoatomic ion?