The beta emission process results in the daughter nucleus differing in what manner from the parent?
a. Atomic mass changes by one.
b. Atomic number changes by two.
c. Atomic number changes by one.
d. Atomic mass changes by two.
c
You might also like to view...
From the Sun, the distance to the Galactic Center is about
A) 100,000 light-years. B) 8 kpc. C) 100 billion parsecs. D) 8,000 light-years. E) 225 million light-years.
The meaning of the phrase "space is relative" is that
A) all observers measure the same speed for a lightbeam. B) two observers, both in the same reference frame, observe different lengths for different objects. C) two observers, in different reference frames, observe different lengths for different objects. D) two observers, in different reference frames, observe different lengths for the same object. E) two observers, both in the same reference frame, observe different lengths for the same object.
An inventor develops a stationary cycling device by which an individual, while pedaling, can convert all of the energy expended into heat for warming water. What minimum power must be generated if 300 g of water (enough for 1 cup of coffee) is to be heated in 10 min from 30°C to 90°C? (1 cal = 4.186 J, the specific heat of water is 4 186 J/kg • °C)
a. 9400 W c. 160 W b. 590 W d. 130 W
According to current evidence, Pluto is best described as
A) a large member of the Kuiper belt. B) a terrestrial planet that is surprisingly far from the Sun. C) a small jovian planet. D) an escaped moon of Jupiter or Saturn.