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

Stephen has a dog that weighs 5 times as much as ian’s dog. the total weight of both dogs is 72 pounds. how much does stephen’s dog weigh?

What value should go in the empty boxes to complete the calculation for finding the product of 0.98 × 0.73? Both numbers are the same; however, only input the

An infinitive is a base form of the verb plus

Which is a true statement? * Magnetism occurs as a result of electrons moving from one atom to another. Magnetism occurs as the result of protons moving fro

prove that 3 divides 2n^2 +1 if and only if 3 does not divide n

I will mark as brainliest if you get correct

The perimeter of a rectangle is 40x - 10. if the length of the rectangle is 12x - 6, what is the width of the rectangle?

What is carried to the body cells by blood? Salts Nutrients Oxygen Nitrogen

List the major productivity changes in shipping during the colonial period: 1. __________________________ 2.__________________________ 3._______________________

Charles lindbergh was known as