yuffltf7761 yuffltf7761

01-07-2017
Chemistry

contestada

The sodium atom contains 11 electrons, 11 protons, and 12 neutrons. what is the mass number of sodium?

Respuesta :

JohnGrubb JohnGrubb

01-07-2017

23 is the mass number of this sodium isotope

Answer Link

Otras preguntas

What causes dark circles around the eyes in adults.

What is the answer I have to type in the yellow boxes?

I MARKE BRAINLIST AND A LOT OF POINS Use the image to answer the following question: The image is a drawing that has two parts. The top part shows the inside of

As an adventurous explorer, what would you like to know about our African and Asian neighbors?

Advantages of living single?

Anyone know how to do this ????

2. Arrange the whole numbers from 1 to 15 in the boxes below so that no number is repeated and the sum of the numbers in any two adjacent boxes is a perfect squ

Someone who takes charge and solves problems without being asked to is demonstrating ______.

What is the largest element that can be made from an small star or medium size star

What caused the Boer War?