Question

1) Circle the appropriate atom.

a) Of these five, the largest atom is: Li B N O F

b) Of these five, the largest atom is: Li Na K Rb Cs

2) Circle the appropriate ion.

a) Of these five, the smallest ion is: N3- O2- F- Na+ Mg2+

b) Of these four, the smallest ion is: F- Cl- Br- I-

3) Draw a Lewis structure and describe the molecular geometry for each carbon atom in the molecule below, n-heptane.

H3C-CH2-CH2-CH2-CH2-CH2-CH3

4) Circle the atom with the highest electronegativity:

K     B    Be    O     Cl    N     P     C   Br

Answer 1