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

Which is not an appropriate synonym for mimic as used in this sentence? Five years later, the Massachusetts Institute of Technology founded its Artificial I

Which one of these is a gas NaNo3 KL KCL NH3

How did Columbus react after he reached Hispaniola on his second voyage and found that his men had been killed by American Indians?

Find cscx if sinx+cotx cosx= sqrt3

An isosceles right triangle has sides that are x+2 units long and a hypotenuse that is 8 units long. What is the length of the missing sides of the triangle

Suppose you had to decide between an apartment that costs $800/month for a month-to-month contract, or $650/month for an annual contract. The annual contract in

a house bought for $110000 and sold for $180000 in profit percentage

Need Help Pweese~~~~~~~~~~~

Need Help Fast Please!!!!!

Which is a sustainable practice? A. Wind farms B. Clear cutting C. Flood irrigation D. Overfishing