Riosmariamhorseyla Riosmariamhorseyla

08-11-2016
Chemistry

contestada

If an atom of sodium has 11 protons, what is its approximate atomic mass?

Respuesta :

AhmatFirz AhmatFirz

12-11-2016

23. The atomic mass is calculated by adding the number of protons and neutrons. However, you cannot guess the number of neutrons. Refer to the periodic table. The atomic mass/mass no of Sodium is 23.

Answer Link

Otras preguntas

1. In cladistic analysis, similar genes that appear in dissimilar organisms, indicate that they share a common ____. 2. The air spaces in the ____ layer of a le

To avoid persecution, Christians hid in the _______.

Violins and guitars can.be classified as what kind of instrument

Role of cooperative society Class 10 economics

Why did George Washington want the United States to stay out of foreign wars?

Find the dimensions of a rectangle whose width is 10 miles less than its length and whose area is 75 square miles. L= ? W= ?

Presidents generally have ______ to significantly affect the structure and operation of the federal bureaucracy.

HELP ! (20 Points) Why would it appear that the sun does not rise during the winter solstice at 66 degrees latitude? (Consider the tilt of the earth during tha

Which is a feature that separates neolithic societies from paleolithic societies?

angle c = 90°side CB = 5side AB = 13find the measures of the following items using whatever method you'd like. please show work for full creditA. measure of ang