justingajdosz justingajdosz

01-10-2016
Chemistry

contestada

An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom? Express

Respuesta :

Аноним Аноним

01-10-2016

A=mass number (protons + neutrons)
Z=atomic number (protons)
N=number of neutrons.

A=Z+N

Data:
A=24
N=13

Therefore:
24=Z+13
Z=24-13=11

Answer: The atomic number of this atom is 11. (The element is sodium)

Answer Link

Otras preguntas

I need help as soon as possible. :)

difference between electroplating and sacrificial protection

Enrique, ___ tienes en la maleta?

A 12 kg rock that is moving at 5.1 m/s in the +x direction experiences a net impulse of 98 N-m in the same direction. What is its final momentum?

WILL AMRK BRAINLIEST IF GOTTEN RIGHT

The body system responsible for breaking down food and absorbing nutrients is the ____ a circulatory system b respiratory system c excretory system d digest

Which process takes place in the inner membrane of the mitochondria? Krebs Cycle Glycolysis Electron Transport Chain Aerobic Respiration

Hugo Inc., a calendar year taxpayer, sold two operating assets this year. The first sale generated a $38,700 Section 1231 gain, and the second sale generated a

In Drosophila, white eyes is caused by a recessive allele (r) located on the X chromosome. The dominant allele (R) produces red eyes. Suppose a white-eyed femal

What is the value of x?