gouldwoat2umn2
gouldwoat2umn2 gouldwoat2umn2
  • 16-07-2016
  • Chemistry
contestada

an element has atomic number 10 and an atomic mass of 20. how many neutrons are in the atom of this element? 10 20 30 0 200 nextreset

Respuesta :

Kalahira
Kalahira Kalahira
  • 11-08-2017
There are 10 neurons in the atom of this element. This can be worked out in the following way:

A = ( atomic mass )
Z = ( atomic number )
N = ( neutrons )
A = Z + N20 = 10 + NN = 20 - 10N = 10
Answer Link

Otras preguntas

How many americans were killed in the boston massacre in 1770?
How was south carolina constitution of 1868 different from earlier versions?
Which of southwest Asia deserts is slight large Than the Mojave desert of the United States
What is the answer to 103, explain please
suppose that it is known that the measure of angle 1 is (18x+12), the measure of angle 2 is (6y), and the measure of angle 3 is (3x+4y). solve for x and y
Find the momentum of a 25 kg object moving at 3.75 m/sec
A vendor has 12 balloons for sale: 6 are yellow, 2 are red, and 4 are green. A balloon is selected at random and sold. If the balloon sold is yellow, what is th
Like chordates, all invertebrates have ? the answer is backbones
PLEASE HELP What is Max Weber's view of bureaucracies? A. They hurt the relationships between primary group members. B. They improve the efficiency o
Aluminum cans are a common part of solid waste. why are these cans recycled, rather than disposed in landfills?