blatss8jaimeJaccoyc blatss8jaimeJaccoyc
  • 03-03-2017
  • Chemistry
contestada

How many neutrons does element x have if its atomic number is 42 and its mass number is 160? neutrons?

Respuesta :

armyguy1050
armyguy1050 armyguy1050
  • 06-03-2017
118
mass number is the protons plus the neutrons. 
And the atomic number is equal to the amount of protons in an element. 
Therefore, 160-42=118.

Answer Link

Otras preguntas

a gasoline pump delivers 4 2/5 gallons of gas per minute. how many minutes will it take to fill a gas tank that holds 16 1/2 gallons?
a rectangular field with a area of 8000m2 is enclosed by 400m of fencing. determine dimensions to nearest tenth of a metre
George has a small coin collection.  He has collected 16 gold coins, 28 silver coins, 32 copper coins, and4 bronze coins. At a flea market, George sells 15% of
Why did the settlers go to new mexico during manifest destiny?
Which text exemplifies the anti-Victorianism prevalent in the early twentieth century? a) Eminent Victorians b) Jungle Books c) Philistine Victorians d) The
does gas have as definite or indefinite volume
How did the Romans rule differently from the Etruscans?
How Do Clownfish Catch Their Food?
What is a Vector and a scalar?
which of the following would not make a good insulator* rubber*plastic*wood*metal