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

Select all of the following answers about allosteric control of enzymatic activity that are true. A) Allosteric effectors give rise to sigmoidal Vo vs. [S] kin

A salesperson at Northern Trail Outfitters (NTO) cannot view a contact's information from social profiles. NTO has Social Accounts and Contacts turned on in its

Stressful events interpreted with a negative explanatory style can encourage dampened mood states that lead to behavioral withdrawal and subsequent social rejec

A play has two roles for men and four roles for women. If five men and 12 women try out for these parts, in how many different ways can the director choose peop

Los números: Solve the math problems and fill in the blanks with the Spanish words for the numbers. Follow the model. 1. once más once 2. seis más tres 3. trece

Are rational numbers equal to integers

Directions: write a numerical expression for each problem and then write a complete sentence stating you answer. 20. Clayton had a score of -7 points in a game.

Scenario 13-1 Korie wants to start her own business making custom furniture. She can purchase a factory that costs $400,000. Korie currently has $500,000 in the

How mantle convection occurs

[BRAINLY + 30 pts] When it is 12 noon where you are, it is 2:00 pm two time zones to the east or west?