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

We understand that the citizenship of an individual is a

there are 7 red cubes. there are 8 yellow cubes. how many cubes are there in all ? use a double to add write the missing number

What are 2 real life slope problems?

41% of what number is 82

a tree casts a shadow that is 20 feet in length. if the angle of elevation is 32 degrees, which of the following best represents the height of the tree? A. 10.

write a sentence describing how the number of valence electrons is used to make an electron dot diagram?

Which of the following was a key characteristic of John Locke’s theory on government? People should rebel against an uncooperative government. No government can

Find the sum of 1/6 and 7/12 in lowest terms.

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle. See the fi

where did sam marshall and John James Audubon go to study animals