CHEMORIA Round 2

2. one of the product of combustion of organic compounds is always_____
4. Group 3-12 on the periodic table. They have varying valence electrons and do not follow the normal trends of the other metals. They form brightly colored compounds and ions in solution. They are called?
8. Compositional analysis of an ____ is done using mass spectrometer
12. The geometry around the central atom in CLF4+
13. The hydrogen bond is formed between hydrogen and an electronegative atom within the same
15. Cobalt-60 is used in the radiation therapy of cancer and can be produced by bombardment of cobalt-59 with _________
16. Based on VSEPR theory, geometry of BH4-is______________

1. __________ version of the radical halogenation of an alkane is MOST selective.
3. ____________ type of radiation is not emitted by the electronic structure of atoms.
5. Pour point and freezing point is equal for
6. Antibonding MO arises due to________ interference of waves
7. Sodium carbonate crystals lose water molecules. This property is called ______.
9. Which element on adding to natural rubber makes it less sticky in hot weather and less hard in cold weather?
10. A ___ is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.
11. Icosahedral structure is generally exhibited by _____________compounds.
14. the atmospheric pressure crude distillation, the content of ____ increases from lighter fraction to heavier ones.