What is the valence shell electron configuration of the ion formed from an atom of the halogen family?
A) ns2
B) ns2 np2
C) ns2 np4
D) ns2 np6
E) ns2 np8
Question 2
What mass of N2 will be produced from the reaction of 50.0 g N2O4 with 45.0 g N2H4? N2O4(l) + 2 N2H4(l) 3 N2(g) + 4 H2O(g)
A) 59.0 g
B) 118 g
C) 152 g
D) 45.7 g
Question 3
What is the concentration of a solution of HCl in which a 10.0 mL sample of acid required 50.0 mL of 0.150 M NaOH for neutralization?
A) 0.0300 M
B) 0.150 M
C) 0.600 M
D) 0.750 M
E) 7.50 M
Cyclic electron flow.
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