If an atom's atomic number is given by Z, its atomic mass by A, and its neutron number by N, which of the following is correct?
A)
N = A + Z
B)
N = Z - A
C)
N = A - Z
D)
N = 2A + Z
E)
N = A + 2Z
C
You might also like to view...
If the Sun and stars are supported by gas pressure, what supports a white dwarf?
What will be an ideal response?
A researcher is investigating a cubic crystal with x rays. He is looking at Bragg reflection from the planes parallel to the cube faces
He finds that when using x rays of 0.165 nm a strong first maximum occurs when the beam makes an angle of 23.5° with the planes. What is the spacing of adjacent atoms in the crystal?
Imagine an astronaut falling into a black hole. Describe the effects that the astronaut would experience firsthand, and the changes that an external observer would see
What will be an ideal response?
A car moving at a constant speed goes around a curve of 400-ft radius and then goes around a second curve of 200-ft radius. The centripetal force acting on the car as it goes around the 200-ft radius curve is ___________ the value of the centripetal force acting on the car as it goes around the 400-ft radius curve
a. one quarter b. one half c. the same as d. twice e. four times