Bonding
Elements,Compounds, Mixtures
Bonding Properties
Lewis Dot Structures
Miscellaneous
100
What type of bond forms between metals and nonmetals?
Ionic
100
Which type(s) of matter will have a definite composition?
(element/compound/mixture)
Element and compound
100
Pure ionic compounds conduct electricity best in which form of matter (Solid, Liquid ,Gas)
Liquid
100
1) How many valence electrons are present in a nitrogen atom?
2) A nitrogen atom usually forms how many bonds?
1)5
2)3
100
Write the formular for
dinitrogen tetroxide
N2O4
200
Which type of bond forms between two non-metals?
Covalent
200
Why do atoms seek to form bonds?
Full shell of 8 valence electrons (Stable)
200
Which two out of the three types of bonds are usually solids at room temperature?
Ionic and Metallic
200
1) Draw the Lewis dot structure for iodine gas, I2
2) Identify the bond as polar/non-polar and as single/double/triple.
1)
2) Non-polar, single bond
200
Describe the bonds between elements
1) F-F
equally shared electrons - non-polar
300
An ionic compound forms a network of ions to create a C_____ L______ structure.
Crystal Lattice
300
Give an example of a heterogeneous mixture
Salad, oil in gas, cereal in milk
300
Describe the activity of the valence electrons in
Ionic bonding-
Covalent bonding-
3. Metallic-
1) electrons are permanently transferred
2) electrons are shared between atoms
3) electrons move freely
300
1) Draw the Lewis dot structure for sulfur dichloride, SCl2
2) Identify each bond as polar/non-polar and as single/double/triple.
1)
2) Each bond is a polar single bond.
300
Why does Fluorine seek to form a chemical bond but neon does not
1) Fluorine has 7 valence electrons, unstable
2) Neon has 8 valence electrons, full outer shell
400
How many atoms are in this compound (ammonium carbonate – smelling salt)
(NH4)2CO3
1) N?
2) H?
3) C?
4) O?
1) 2
2) 8
3) 1
4) 3
400
A substance usually __________________ (creates/destroys/absorbs/releases) energy when bonds form.
Releases
400
1) Which type of bonding has the poorest conductivity?
2) Why?
Covalent because the substance contains neutral molecules
400
Draw the Lewis dot structure for sulfur monoxide, SO
Identify the bond as polar/non-polar and as single/double/triple.
1)
2) Polar double bond
400
DAILY DOUBLE!!!
(you can wager in increments of 400)
Draw the Electron dot diagram for PH3
500
Q. Fix the formula to match the name.
sulfur tetrafluoride = SF₆
What is SF₄?
500
Compounds have two or more types of atoms. The properties of compounds are _____________ (similar/different) to the components. Why?
1) Different
2)Different due to chemical bonding
500
List in order of increasing melting point:
Na Cl2 NaCl
Cl2 < Na < NaCl
500
1) Draw the Lewis dot structure for C2H2
(Acetylene Gas- used for welding and cutting materials that require temperatures as high as 3,500 degrees C)
1)
500
What property of copper allows for it to conduct electricity well?
Freely moving electrons