plawson2007 plawson2007
  • 01-10-2018
  • Physics
contestada

How many neutrons does element x have if it's atomic number is 27 and it's mass number is 74

Respuesta :

lucic
lucic lucic
  • 02-10-2018

Atomic number=Proton count

Atomic mass=Proton count+ neutron count

Neuton Count=Atomic mass-Proton count

Proton count=Atomic number=27

Mass number=74

Neuton count= 74-27=47

Answer Link

Otras preguntas

Triangle ABC has vertices at A(-2,3),B(-3,-6), and C(2,-1). Is triangle ABC a right triangle? If so, which angle is the right angle? O No, the triangle has no r
The interior angle of a regular polygon is 19 times the size of the exterior angle. calculate the size of the interior angle and the number of sides the polygon
Subject verb agreement “This pair of scissors _______ blunt”
how does sodium metal conduct electricity?
Consider the following code segment. a b - true с ← true REPEAT UNTIL (a AND b NOT C false с b с DISPLAY a DISPLAY b DISPLAY C What is displayed as a result of
what is a raven?.....​
Amanda, Jen, Shelby went to dinner and split the bill evenly. Each girl payed $14.25 and t tip. if the total bill including tip was 51.75, find the amount each
Seven years ago, Grogg's dad was $9$ times as old as Grogg. Four years ago, Grogg's dad was $6$ times as old as Grogg. How old is Grogg's dad currently?
The interior angle of a regular polygon is 19 times the size of the exterior angle. calculate the size of the interior angle and the number of sides the polygon
3x=4x/6x 6x=56x 8x=56d