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 group formed to fight for farmers issues?

How do breeders produce new genetic variations not found in nature?

Which of the following cell organelles do both prokaryotic and eukaryotic cells have? A. Golgi apparatus B. ribosomes C. mitochondria

Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which best describes the discriminant and the number

How can you use ratios and rates to solve problems?

Which of these represents six miles less than twice the original distance?

there are 5 swimmers in a race. there will be a first-place, a second-place, and a third-place prize awarded. in how many ways can the 3 prizes be awarded?

Positive ions are called _____, and negative ions are called _____. anions; cations cations; anions

a missing fraction on a number line is located exactly halfway between 3/6 and 5/6 what is the missing fraction

determine whether 2/15 is closest to 0,1/2 or 1