The net ionic equation for the reaction between aqueous sulfuric acid and aqueous sodium hydroxide is ________.
A) H+ (aq) + HSO4- (aq) + 2OH- (aq) 2H2O (l) + SO42- (aq)
B) H+ (aq) + HSO4- (aq) + 2Na+ (aq) + 2OH- (aq) 2H2O (l) + 2Na+ (aq) + SO42-(aq)
C) SO42- (aq) + 2Na+ (aq) 2Na+ (aq) + SO42-(aq)
D) H+ (aq) + OH- (aq) H2O( l)
E) 2H+ (aq) + SO42- (aq) + 2Na+ (aq) + 2OH- (aq) 2H2O (l) + 2Na+ (aq) + SO42- (aq)
Question 2
Which one of the following is a metalloid?
A) Se
B) Hf
C) Zr
D) Xe
E) Si
