Author Question: Which elements can form triple covalent bonds in organic substances? a) oxygen and bromine. b) ... (Read 78 times)

BRWH · **on:** Jul 28, 2018

Which elements can form triple covalent bonds in
organic substances?
a) oxygen and bromine.
b) sulfur and hydrogen.
c) nitrogen and carbon.
d) fluorine and chlorine.

Question 2

Three particles are placed in the xy plane. A 40-g particle is located at (3, 4) m, and a 50-g particle is positioned at (2, 6) m. Where must a 20-g particle be placed so that the center of mass of this three-particle system is located at the origin?
a. (1, 3) m
b. (1, 2) m
c. (1, 12) m
d. (1, 7) m
e. (1, 3) m