a which of these is an odd-electron molecule? O HBr O BrO O HOBг

Based on the concept of formal charge, what is the central atom in (a) HCN (do not include H as a possibility)? b) NOCI (Cl is always a terminal atom)?

hat does it mean to say that a bond is polar? Give two examples of molecules with polar bonds. Indicate in your examples the direction of the polarity.

1. What do bisefningence by the tesm citculaH bisre you and cisteulaot dichtoism? mean ANS:

What do Lewis structures and VSEPR/electron models tell u sand what is the difference between them?

What molecules are likely to be odd electron molecules?

The shape of a molecule of NH3 is said to be O Tetrahedral O Trigonal Bipyramidal O Bent OLinear

Explain formation of covalent bonds in the following chemical compounds (usim three theories). NH KF , Ar:. C:BrHz , BeClz.

A molecule is connected H₂CC (O) CH₂ where the oxygen is connected to the middle carbon and the outside carbons are also connected to the middle carbon. The hydrogens are connected to the outside carbons. Which of the following represents the Lewis Dot Structure for this compound? A) B) H-C-C-C-H C) H H OB H DE OD DA DC H H H 80: H H H-C-C-C-H HC- H-C-C=C-H Both A and B are correct H o: H Both C and D are correct H 80: H D) H ●● H-C-C-C-H H E) H H H - 80: H ●● H -C-C-H 80: H

No Plagiarism Please! A chemical reaction produces formaldehyde, with a chemical formula of CH2O. Carbon is in Group 4A, oxygen is in Group 6A, and hydrogen is in Group 1A on the periodic table. In one to two sentences, describe the bonds in a molecule of formaldehyde in terms of valence electrons