A temperature of 290. K is the same as ________ F. A) 63 B) ...

[Tazate]

A temperature of 290. K is the same as ________ F.
 
  A) 63
  B) 81
  C) 260
  D) 711
  E) 351

Question 2

Based on molecular orbital theory, the bond order of the HH bond in the H2+ ion is ________.
 
  A) 0
  B) 1/2
  C) 1
  D) 3/2
  E) 2

Question 3

Hydrogen is unique among the elements because ________.
 
  1. It is not really a member of any particular group.
  2. Its electron is not at all shielded from its nucleus.
  3. It is the lightest element.
  4. It is the only element to exist at room temperature as a diatomic gas.
  5. It exhibits some chemical properties similar to those of groups 1A and 7A.
  A) 1, 2, 3, 5
  B) 1, 2, 3, 4, 5
  C) 1, 4, 5
  D) 3, 4
  E) 2, 3, 4, 5

[diana chang]

Answer to Question 1

A

Answer to Question 2

B

Answer to Question 3

A