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

Please answer one by one please

Find the volume of a square pyramid that has a base area of 625 square meters and a height of 30 meters

The age discrimination in employment act of 1967 prohibits discrimination against employees over the age of.

What recommendation did don norman have to improve a design model when designing for the disabled?.

federal fundsa.provide banks with an immediate infusion of reserves.b.are short-term funds transferred between financial institutions, usually for a period of o

Which brand velocity group sports advisory board member is the former executive director of the national basketball players association?.

Consider that a plant with genotype rr has red flowers and a plant with genotype ww has white flowers. This plant species expresses incomplete dominance for flo

The equation below describes a proportional relationship between x and y. What is the constant of proportionality? Y=4/5X<-fraction

Please answer one by one please

A department manager is planning a presentation on how data platforms work, but needs to simplify the language for the audience to better understand the main st