ricardoalfred66
ricardoalfred66 ricardoalfred66
  • 02-01-2016
  • Chemistry
contestada

Which notation represents an atom of sodium with an atomic number of 11 and a mass number of 24?

Respuesta :

Billymkhoi
Billymkhoi Billymkhoi
  • 02-01-2016
Z, the lower number, is the atomic number. Therefore, Z=11.

A, the upper number, is the mass number. Therefore, A= 24.

Hope this helps~
Answer Link

Otras preguntas

4 5 6 plz I really need it thanks a lot
The protoplasm and cytoplasm of a plant are interchangeable terms
3 7/18 + = 6 1/18 what is the answer and method to this problem please?
Which of the following is a reason that a drug may not receive FDA approval?
Mid-ocean ridges normally form where tectonic plates are
An object has a mass of 13.5 kilograms. What force is required to accelerate it to a rate of 9.5 m/s2?
A well-conditioned heart can a. recover more quickly from physical and emotional stress. b. encourage a person to try different types of exercise. c. lead to
Which two countries had the biggest influence on English art ?
Who formed the Student Nonviolent Coordinating Committee?
Why do you think the FDA requires some products to have an "As Prepared" label?