Seudónimo Seudónimo

01-02-2016
Chemistry

contestada

How many neutrons are in an atom of sulfur with a mass number of 35?
a. 16
b. 17
c. 18
d. 19

Respuesta :

JimJamJon JimJamJon

01-02-2016

As the mass difference between protons and neutrons isn't too different we can determine how many neutrons an atom has by subtracting the number of protons from its atomic mass.

Sulfur has 16 protons, so 35-16 = 19. So there are 19 neutrons present.

Answer Link

Otras preguntas

Compare the quantity in column A with the quantity in column B. Choose the best answer. A. The quantity in Column A is greater. B. The quantity i

the czech republic’s decision in 2003 to join the european union indicated that the czech republic

the military understanding reached by great britain, france, and russia is called:

Can an object have zero velocity but non-zero acceleration? Can it have zero acceleration and nonzero velocity? Please support your answer.

1. The first American constitution was the Bill of Rights. Articles of Confederation. Stamp Act. Congress. 2. The Treaty of Paris in 1783 granted the Amer

Perform the indicated operation. 3/a - 5 + a + 2/a =

Fill in the blanks with the appropriate words. 1.El _______ es el documento que necesito para viajar a otro país. 2.Enero es el _______ mes del año. 3.Mi herman

help me please please

A trapezoid has an area of 166.5 in.², a height of 9 in., and one base measuring 15 in. What is the length of the other base? (1 point)3.5 in. 7 in. 18.5 in. 2

The question is: "A soccer team played 160 games & won 65% of them. How many games did it win?"