Multiple Choice
Which statements about hydrogen are true?
I.H has a lower ionization energy than He.
II.H- is smaller than H.
III.H bonds with the halogens to form polar covalent compounds.
IV.H is always a metal.
V.H does not have a second ionization energy.
A) I,V
B) II,IV
C) I,III,V
D) II,IV,V
E) I,III,IV,V
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Arrange the following Group 2A elements (in
Q20: Both CO<sub>2</sub> and SiO<sub>2</sub> appear to have
Q21: Choose the correct molecular structure for SeBr<sub>4</sub>.<br>A)trigonal
Q22: Which element of Group 3A behaves as
Q23: What are the forms of elemental carbon?<br>A)graphite
Q25: Choose the element with the highest melting
Q26: All of the following are true about
Q27: The process of transforming N<sub>2</sub> to a
Q28: Order the following bonds from highest to
Q29: Nitroglycerin,the main component of dynamite,decomposes very