brennabananas7431 brennabananas7431

03-10-2017
Chemistry

contestada

If the atomic number of an element is 9 and the mass number is 19, how many neutrons does the atom have?

Respuesta :

Аноним Аноним

05-10-2017

To find the number of neutrons.....

NEUTRONS = MASS NUMBER - ATOMIC NUMBER ( PROTONS)

NEUTRONS = 19 - 9

So this element has 10 neutrons

Answer Link

Otras preguntas

If f(x) = x3 – 2x2, which expression is equivalent to f(i)?

Which describes a significant difference between the North and the South in the years leading up to the Civil War?

Which of these is a major reason colonists came to Massachusetts? "Colonial America has great farmland." "Colonial America offers religious freedom." "The Ameri

All of the following are reasons why third parties tend to remain minor in the United States EXCEPT difficulties in getting on the ballot difficulties in qualif

if i get paid 7.25 and i get 30 hours how much is my check

In Triangle ABC, if ,AE ,BF and CD are the medians and AE and BF intersect at the point (2, 3), at what point does CD intersect AE ?

Over which of the following domains of governance do state governments NOT have authority?

Who was Geoffrey Chaucer?

The most important river in West Africa is the _____________. Senegal Gambia Niger Benue

Puritans believed that salvation depended on