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

how long will it take for my dad to come back

if your here then pls help me i need it if not have a great day

Notice-and-comment rulemaking involves regulators noticing a situation that lacks a rule, commenting on it, and then issuing a rule. True False

write an informal letter to your friend studying outside Nigeria telling her some of the problems you are facing and asking her for solution on how to solve the

Any system of government in which a small group holds power is called

Identify all holes, vertical asymptotes, horizontal asymptotes, x-intercepts and y-intercepts. If none exists, write none. f(x)=(x+3)/(x-4)

4/7-5/11 I need the answer

What is the mean of these numbers: 120, 118, 120, 136, 121?

how long will it take for my dad to come back

Suppose the government levies a tax of $46.40 per case. The tax places a wedge between the price buyers pay and the price sellers receive.