dmwilder5343 dmwilder5343

20-09-2017
Chemistry

contestada

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

Respuesta :

magistercollege magistercollege

24-09-2017

Atomic mass is the number of protons + number of neutrons. 11 protons + 12 neturons = 23

Answer Link

Otras preguntas

Does the Constitution allow the president to declare war?

Read the passage. (1) The Yearling is one of my favorite novels.(2) It isby Marjorie Kinnan Rawlings. (3) It is about a yearling, which is a young deer, or faw

55/6 in simplest form 99 points if right

A line graph shows the relationship between three variables. Please select the best answer from the choices provided T F

A literary analysis _____. A. summarizes a work of literature B. examines various aspects of a work of literature, often examining the wor

three quarters of the boats in the marina are white, 4/7 of the remaining boats are blue, and the rest are red. If there are 9 red boats, how many boats are in

Mr.marquez had 123 eggs in a refrigerator in his restaurant.he put 32 more cartons of eggs in the refrigerator each carton contained 18 eggs wich of these is th

. Which appeal opposing teen driving curfews would you target to members of Congress? Teens love driving because it gives them independence. Teen drivers should

What causes high blood pressure for elders? How do they get treated?

which character is described as shiftless