Odezioronaokuhor Odezioronaokuhor

18-07-2019
Chemistry

contestada

A particle with 10 protons, 11 neutrons, and 12 electrons has a mass number of:

Respuesta :

Аноним Аноним

29-07-2019

For any given element the mass number can be found by adding the protons and the neutrons.

In this case its 10 protons plus 11 neutrons which gives us 21 as the mass number.

Answer Link

Otras preguntas

Hello, there! I'm just asking what are 15 things typical things people do? Please don't include eating and sleeping anything else is fine tho. I have to make an

What is the next atomic orbital in the series below? 1s, 2s, 2p, 3s, 3p, ___ a. 2d b. 2f c. 3d d. 4s

Who created utopianism

Three of the angles of a quadrilateral are 148 degrees 104 degrees and 36 degrees what is the size of the 4th angle

How would I separate uncooked rice from salt rocks?

Is an important export product from andalusia

Please help I will give a big thanks

Find the following quantity. 103% of 19 =

The british general who led the war effort in the south was whom?

Which elements are halogens?