The preferred name of NiS is
a. nickel(III) sulfide.
b. nickel(II) sulfide.
c. nickel(I) sulfide.
d. nickel sulfide.
b
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A 5.00 kg mass is located at (2.00 m, 0.00 m, 3.00 m) and a 2.00 kg mass is located at (0.00 m, 4.00 m, –2.00 m). The center of gravity of the system of masses is
A. (10/7m, 8/7m, 11/7m). B. (11/7m, 7/7m, 8/7m). C. (7/7m, 10/7m, 11/7m). D. (10/7m, 7/7m, 8/7m). E. (8/7m, 7/7m, 10/7m).
The energy level diagram for hydrogen
The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is __________.
What is the quantity used to measure an object's resistance to changes in rotational motion?
A) mass B) moment of inertia C) torque D) angular velocity E) angular acceleration
Radioactivity Basics: When a ?+ particle is emitted from an unstable nucleus, the atomic number of the nucleus
A. increases by 1. B. decreases by 1. C. increases by 2. D. decreases by 2. E. does not change.