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 :

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

how does birth order affect personality

A horse wins 12 out of 15 races. About how many races would you expect the horse to win out of 50?

What is 1 1/2 multiplied by 2 as a mixed number or fraction

Write a summary of the poem “For the Union Dead” in 200 words or more. Include at least two important ideas that support your summary.

A race is 1 2/3 miles long. If you just run half of the race, how long far have you run?

The sales tax in New York is 8.25% about how much Will a $65.95 pair of shoes cost including sales tax

Please need help on this thank you

Adjacent water molecules interact through the ________. a. sharing of electrons between the hydrogen of one water molecule and the oxygen of another water molec

Tokugawa Ieyasu Born to a minor warlord in Okazaki, Japan, Tokugawa Ieyasu (1543-1616) began his military training with the Imagawa family. He later allied hims

A gate post is 7 feet tall. The gate posts cast a shadow that ia 10 feet long. A nearby flag pole casts a shadow that is 30 feet long How tall is the flag pole?