Draw the Lewis Structure for Carbon tetrachloride. Include resonance structures if necessary.
(See board)
What is the electron configuration for beryllium
1s22s2
Identify the element oxidized, reduced, and the oxidizing and reducing agent
Mg + 2HCl -> MgCl2 + H2
Mg0 + 2H+1 Cl-1 -> Mg+1 Cl2-1 + H20
O: Mg, R: H, OA: HCl, RA: Mg
What is the periodic table trend for electronegativity?
Electronegativity increases going left and up the table.
How many sig figs are in this number?
1234
4
Draw the Lewis Structure for PBr3 and name the molecular and central atom geometry. Include resonance structures if necessary.
(see board) Tetrahedral, trigonal pyramidal
What atom has the electron configuration 1s22s22p63s23p6
Identify the element oxidized, reduced, and the oxidizing and reducing agent
Fe + V2O3 -> Fe2O3 + VO
0 +3 -2 +3 -2 +2 -2
2Fe + 3V2O3 -> Fe2O3 + 6VO
O: Fe, R: V, OA: V2O3, RA: Fe
What is the general trend in atomic radius going up and down and left to right?
Atomic radius increases going down the table and to the left.
1 cm = __________ μm
104 μm
Draw the Lewis Structure for Ammonium and state both the molecular and central atom geometry. Include resonance structures if necessary.
NH4 = Tetrahedral, Tetrahedral (see board)
What is the electron configuration for Rubidium?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
Identify the element oxidized, reduced, and the oxidizing and reducing agent
H2C2O4 + K2MnO4 -> CO2 + K2O + Mn2O3 + H2O
+1 +3 -2 +1 +6 -2 +4 -2 +1 -2 +3 -2 +1-2
3H2C2O4 + 2K2MnO4 -> 6CO2 + 2K2O + Mn2O3 + 3H2O
O: C, R: Mn, OA: K2MnO4, RA: H2C2O4
What is the general trend in ionization energy?
Ionization energy increases going left and up the table
How many sig figs are in this number?
0.018
2
Draw the Lewis Structure for CO3-2 and state both the molecular and central atom geometry. Include resonance structures if necessary.
Trigonal planar, trigonal planar (see board)
What atom has the electron configuration [Ar] 4s2 3d2
Titanium
Identify the element oxidized, reduced, and the oxidizing and reducing agent
KClO3 + C12 H22 O11 -> KCl + H2O + CO2
+1+5-2 0 +1 -2 +1-1 +1-2 +4 -2
8KClO3 + C12H22O11 -> 8KCl + 11H2O + 12CO2
O: C, R: Cl, OA: KClO3, RA:C12H22O11
Rank the intermolecular forces from weakest to strongest:
London Forces, Dipole - Dipole, Hydrogen Bond
6 x 10-4 cm = __________ nm
6 x 103 nm
Draw the Lewis Structure for CH3CH2COOH and write the number of C-H, C-C, C-O and O-H bonds as well as the number of lone pairs.
(See board)
What is the electron configuration for Sr4- in standard and shorthand notation.
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d4, [Kr]5s2 4d4
Identify the element oxidized, reduced, and the oxidizing and reducing agent
HC2O4 + KMnO4 -> CO2 + K2O + Mn2O3 + H2O
+1 +3 -2 +1+7 -2 +4 -2 +1-2 +3 -2 +1 -2
4H2C2O4 + 2KMnO4 -> 8CO2 + K2O + Mn2O3 + 4H2O
O: C, R: Mn, OA: KMnO4, RA: H2C2O4
dipole - dipole, London forces
Write out 8,237,000 in scientific notation only showing 3 sig figs.
8.24 x 106