Luu11 Luu11
  • 16-04-2017
  • Physics
contestada

What is the mass of an atom that has 2 protons, 3 neutrons, and 2 electrons

Respuesta :

danelleantelo
danelleantelo danelleantelo
  • 16-04-2017
You can find the mass of an atom by adding the number of protons and neutrons. In this case the atom has 2 protons and 3 neutrons so the mass is 5.
Answer Link

Otras preguntas

John is twice as old as her sister Jane. Four years ago, John was three times as old. What is John’s current age?
express 8 square roots of -65 in terms of i
Write a quadratic function in standard form with zeros 9 and -4
John is twice as old as her sister Jane. Four years ago, John was three times as old. What is John’s current age?
if  sin (α+β) = 1,  sin (α-β) = 1/2 then tan (α+2β) tan(2α+β) = a. 1          b.-1            c.0              d. none
How do you solve 4x-7=2x+15
Which one of the following sentence contains an abstract noun ? A)The vase was quite expensive B) Logic is easily understood. C) His skill was legendary. D) She
The width of a rectangular window is 2 feet more than its height. If the area is 35 square feet, what is the height?
predict how two differenet herbivores can share the same plant resource
Factor the expression.2x2 + x - 15