Author Question: Nitrogen trifluoride has ________ valence electrons. A) 20 B) 22 C) 24 D) ... (Read 81 times)

aabwk4 · **on:** Aug 27, 2018

Nitrogen trifluoride has ________ valence electrons.

A) 20
B) 22
C) 24
D) 26

Question 2

What is a meant by a sustainable energy source?

A) any energy source that is renewable and has few negative effects
B) an energy source that can sustain a high power output
C) an energy source that will pollute the environment
D) an energy source that can satisfy all of the global power needs
E) none of the above