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February 16, 2011

Zinc

Filed under: Chemistry — Tags: block, Chemsitry, cold, d, Higher, HL, IB. I.B., level, metal, SL, Standard, transition, zinc — David @ 11:26 am

Fresh off the press, breaking news today….

It is speculated that Zinc can be effectively used to treat the common cold.

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October 21, 2010

An Overview of Internal Assessment (IA)

Filed under: Chemistry — Tags: aspect, assessment, CEv, Chemistry, d, DCP, Group 4, Higher, HL, I.B., IA, IB, internal, level, MS, PS, SL, Standard — David @ 4:28 pm

Todays positng will cover an overview of IA:

IA counts towards 25% of the final Chemistry grade.

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October 20, 2010

Improving Your IA Lab Reports

Filed under: Chemistry — Tags: +2, +3, 1, aspect, assessment, C, CEv, Chemistry, Collecting, complete, Conclusion, d, data, DCP, design, evaluation, HL, I.B., IA, IB, internal, n, not at all, P, partial, Processing, SL — David @ 8:04 am

Over the next few days / weeks, we will focus on the various skill areas and aspects for the three internal assessment (IA) criteria, namely:

Design

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October 5, 2010

Optical Isomers

Filed under: Chemistry — Tags: +, -, 50:50, Active, Chermistry, Chiral, d, Dextrorotatory, Enantiomers, Higher, HL, I.B., IB, Isomer, L, level, Levorotatory, optical, Optically, Racemic, SL, Standard — David @ 12:00 pm

Some jargon used to describe optical isomers:

Chiral – a carbon atom joined to four different groups.

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