Main Groups 1-2
Na second ionization energy involves the release of an electron from the inner core, but Mg second ionization energy releases an outer electron
What is the main factor for magnesium flouride stoichiometry being MgF2 when sodium flouride is NaF?
Tetrahedral, Trigonal pyramidal and V
What are the possible shapes for tetrahedral geometry?
Only metalloid in group13
What is Boron?
Na2SiO3 + H2O
What is SiO2 + 2NaOH -->
Purification of Bauxite
What is the first process in the extraction of aluminum?
Element with properties similar to alkali earth metals and halides.
What is hydrogen?
Sigma and sigma*
What are the MOs resulting from combing two s orbitals?
Exposed aluminum surfaces react with dioxygen in air to form aluminum oxide
What can Al be used as a metal if it is so reactive?
CaCO3
What is CO3(2-) + Ca(2+) -->
Industrial extraction of sodium
What is the Downs process?
Zeff, electronegativity and electron affinity
What chemical properties are greater for group 2 than group 2 elements?
Equation for bond order according to molecular orbital theory
.5(n-n*)
Under near-neutral conditions aluminum will form insoluble compounds
Why is Al not very biologically active even though it i highly toxic?
Fe2O3 + 3CO -->
2Fe + 3CO2
Electrolysis of brine
How to prepare Sodium Hydroxide?
Group 1 element whos chemical properties resemble group 2
What is Lithium?
Account for difference between theoretical and actual bond angles of covalent compounds
What is the concept of orbital hybridization?
Looking for calcium carbonate after bubbling a gas into a saturated solution of calcium hydroxide
What is the limewater test to detect the presence of CO2
2Li2O
What is 4Li + O2 -->
Heat silicon dioxide (quartz) with coke
How to prepare Silicon
Magnesium and Zinc are similar due to this periodic trend.
What is the relationship between Group 1 and Group 11 metals?
It has two unpaired electrons in the anti-bonding orbitals
What is O2 attracted to a magnetic field?
Under 13 degrees celsius, the metallic allotrope changes to the diamond structure allotrope (tin powder)
Why did Napoleon's soldiers buttons disintegrate in the Russian winter?
Na2CO3.H2O
What is 2NaOH + CO2-->
Liquifying air and then slowly warming the liquid mixture
What is the industrial preparation of dinitrogen process?