Seudónimo Seudónimo
  • 09-10-2016
  • Physics
contestada

what is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons

Respuesta :

SJ2006
SJ2006 SJ2006
  • 09-10-2016

Mass number = no. of protons + no. of neutrons

 so, it would be, 3+4 = 7

Answer Link

Otras preguntas

? the continuous movement of water between the Earth's surface and the atmosphere
Claim A: Nikola Tesla was an important scientist whose achievements should be celebrated. Claim B: Nikola Tesla was not an important scientist and should be re
31 2 3 4 5678TIME REMAININ26:34Mendel studied "factors" that allowed for physical characteristics, which can have alternate versions, to be passedonto offspring
A 23-year-old felt puffy, weak, and tired for several months. She suddenly noticed her urine had a red to brown discoloration and the volume was minimal. She we
What is the answer to questions a and b
12e -5 =55 2-Step Equations
Which does not refers to the situation of economic crises in an economy of a country or regionO High unemployment ratesO InflationO Financial stabilityO Increas
itefastAlila Academy - Te...The Antibiotic Resi...VitalSource Books...ATI TEAS Exam | T... Learn Study Mat...Rotation Manager...ati.RN Nursing Foundations Asses
Which healthcare setting provides services in a prepaid system?O health maintenance organizationO hospicesO nursing homeshome health care
singapore and japan are trading partners