manuiaxx6119 manuiaxx6119
  • 22-05-2017
  • Physics
contestada

An atom has an atomic number of 12 and a mass number of 0.25. How many neutrons does the atom have?

Respuesta :

nasir381214
nasir381214 nasir381214
  • 23-05-2017
Number of protons = atomic number (12)
Mass Number = 0.25
mass number = number of protons + number of neutrons 
Number of neutrons = mass number - number of protons 
Number of neutrons = 0.25 - 12
number of neutrons = - 11.75


Answer Link

Otras preguntas

What is the constant term of x+10+3x
How many liters of nitrogen dioxide are in 16 g of NO2 at STP?
Charges of +3 µC and –5 µC are 2 mm from each other. The –5 µC charge is replaced with a +5 µC charge. How will the electrical force between the charges compare
is there a point in going to university or college? ​
Evaluate the extent to which the Meiji Restoration (1868) affected japanese society
45 = (y + 7) + 11 please help
Two friends choose a slice of pizza with one topping the available toppings are tomatoes (T)
Identify which aspects of trade benefit the consumer in which one benefit producers
Sarah wants to buy cupcakes and a pizza for a sleep-over party for herself and 5 friends. She has $24 to spend. The pizza costs $12. How many cupcakes can she
help please and thanks?!?!?!