A particular isotope of an element has a mass number of 102 and has 58 neutrons. The average atomic mass of this element is 101 amu, How many protons are there in an atom of this element?
44
58
43
102

Explanation:

4444

58

43

10244

58

43

10244

58

43

10244

58

43

10244

58

43

102

58

43

102

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.