What is the formula of a compound formed from the ions M2+ and X2-?
a. M2X
b. MX
c. M2X2
d. MX2
b
You might also like to view...
The Hubble law is a relation between a galaxy's
a. mass and its luminosity. b. distance and its luminosity. c. mass and its recession velocity. d. distance and its recession velocity. e. mass and its diameter.
Which of the following is the overall fusion reaction by which the Sun currently produces energy?
A) 3 H ? 1 Li + energy B) 3 He ? 1 C + energy C) 4 H ? 4 He + energy D) 6 H ? 1 He + energy E) 4 H ? 1 He + energy
Consider two diffraction gratings; one has 4000 lines per cm and the other one has 6000 lines per cm
A) The 4000-line grating produces the greater dispersion. B) Both gratings produce the same dispersion, but the orders are sharper for the 4000-line grating. C) Both gratings produce the same dispersion, but the orders are sharper for the 6000-line grating. D) The 6000-line grating produces the greater dispersion.
HDTV is now being introduced in the U.S. It is likely that sales of HDTVs will follow an exponential growth curve during the earliest years of sales
What will be an ideal response?