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

Which of the following was true of Nixon's presidency? A. It oversaw the establishment of the Environmental Protection Agency. B. It tried to overthrow Johns

What is a analogy for ivy?

What is the slope and y-intercept of this equation? 2x+4y=14

PLEAS EHELP PLEASEEEEEE

why did Europe's leaders first try to deal with hitler through appeasement

what is the unit rate of 6.50

list and describe two powerful forces of nature caused by plate tectonics

What three biomes get the warmest

In 1783 the eastern part of North America became what?

explain in your own words why the boundary between the African and Eurasian plates isn't clear